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SPM 2011

VIEWS: 94 PAGES: 102

									4541tl
Kimia
Kertas1
Sept
24fi
1%j a m




               JABATAN        NEGERI
                      PELAJARAN    JOHOR


                         PERCUBAAN 2011
                PEPERIKSMN       SPM



                              KIMIA

                                  1
                             Kertas
                          jam
                      Satu limabelas
                                   minit


      JANGANBUKAKERTAS    INI      DIBERITAHU
                     SOALAN SEHINGGA

    1.    Kerfassoalan adalah
                      ini      dalamdwibahasa.
    2.    Soa/an dalambahasalnggerismendahului    yang sepadan
                                             soalan
          dalambahasa  Melayu.
    3.    Calondikehendakimembaca  maklumat
                                          dihalaman        kertas
                                                    belakang
          soalanini.




              Kertas    inimengandungi
                   soalan          34halaman
                                          bercetak

454111   Hak
     @201'l Cipta     Pelajaran Johor
                Jabatan      Negeri                   [Lihatsebelah
                                                             SULII
                   http://edu.joshuatly.com/
suuT                                                           4*1/,1

1         of           releases to thesurrounding?
    Vrrhich thefollowing      heat
    Antarayang Mrikut,yangmanakahmembebaskan ke persekitann?
                                             haba

    A   Addacidto alkali
        Tambah asidRepadaalkali
    B                 salt
        Heata carbonate
        Panaskan garam
                 satu      karbonat

    C          someammonium in water
        Dissolve            salt
        Larutkan                 di
                     garamammonium dalamair
               sedikit
    D Adddiluteacldto sodiumhydrogen oarbonate
      Tambah calrkepada
             asid           naftiumlrydrqenkarfunat

2   Name process soappreparation.
       the       of
          pros€s
    Namakan     penye aan eahn.
                    di      u

    A   Dehydration
        Pendehidratan
        Sulphonation
        Pengsulfonan
        Saponification
        SaponflTkast
        Polymerisation
        Pempotirnenn




                   proron


    l/Vhoproposed above
                 the    model?
     Siapakah               model atas?
             yang mencadangkan  di

    A        Rutherford
        Ernest
    B       Chadurick
        James
    C   J.JThomson
    D       Bohr
        Neils



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4   The followingequationrepresents reaction.
                                    a
    Persamaanberikut mewakili satu tindak balas.

               +
           3H21d N2tu;              2NHqsy

    What is the relativemolecularmass of the product?
    [Relative atomicmass .'H=l; N=!4 ]
    Apakah jisim molekul relatif bagi hasil tersebut?
    [Jisim atom relative: H=l; N=l4 ]

    A2

    817

    c2 8
    D34

5   \/V}rich the followingare the specialcharacteristics transitionelements?
           of                                          of
    Antara yang berikut, yang manakah merupakan ciri istimewa bagi togam
    peralihan?

    I    Formcolouredcompounds
         Membentuk sebati n benuarna
                        a

    ll Can be used as catalyst
       Boleh digunakan sebagaimangkin

    lll Have low meltingpoint
        Mempunyaitakat lebur yang rendah

    lV Haveonly one oxidationnumber
       Mempunyai satu nombor pengoksidaansahaja

    A      lonly
           I sahaja

    B      land llonly
           I dan ll sahaja

    C      l, ll and lll only
           I, ll dan tll sahaja

    D      l, ll, lll and lVonly
           I,ll,lll dan lV sahaja




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 sul-rT                                                         434trt




                                      Diagram t
                                       Rajaht
    Diagram shows number atoms a molecute.
           1     the       of     in        Whichof the followingcould
    bethemolecule?
    Rajah1 menunjul<Ran
                     bilanganatamdalam satumateku!.
                                                  Antarc yang berikut,
    yangmanakahmungkinmolekulitu?
    A     Carbondioxide
          Katbondioksida
    B     Ammonia
          Ammonia
    C     Chlorine
          Korin
    D     Water
          Air

    Which thefollowing anelectrolyte?
         of            is
         yang berikut,
    Antara           yangmanakahmerupakan
                                        eteWrolit?
    A     Copper sulphate
                {ll}       solution
          Larutan     (ll)
                kuprum suffat
    B     Molten
               naphthalene
          Lebunnnaftalena
    C     Glucosesolution
                glukosa
          Larutan
    D     Zincmetal
          Lqam zink




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    Diagram shovrs
            2      the pH valuesfor solutionP, Q, R and S with the same concentration.
    Rajah 2 menunjukkan nilai pH bagi larutan larutan P, Q, R, dan S dengan kepekatanyang
    sama.


    pH
    scale

                                            Diagram 2
                                             Rajah2

   \Mrat are the possiblesolutions P, Q, R and S?
                                 of
   Apakah larutan yang mungkin bagiP, Q, R dan S?

            Ethanoic acid Sulphuric acid   Sodium hydroxide      Sodium chloride
            Asid etanoik  Asid suffurtk    Natrium hidroksida    Natrium klorida
    A              P              o                   R                     S

     B             P              o                   S                     R

    c             o               P                   R                     S

     D             o              P                   S                     R



    \Altrich the followingsalts can be preparedby precipitation
           of                                                 reaction?
    Antara garam yang berikut, yang manakah boleh disediakan melalui tindak halas
    pemendakan?

     A      Bariumsulphate
            Barium sulfat

     B      Sodiumchloride
            Natrium kloida

     C      Aluminium nitrate
            Aluminium nitrat

     D      Potassiumcarbonate
            Kalium karbonat




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10 Alloy is madeby mixing withcarbon,
        X               iron        chromium nickel.
                                            and     what is X?
   AloiX diperbuat
                 denganmencampurkan
                                  besidenganRarbon,
                                                 kromiumdannikel.
   ApakahX?

      A   Steel
          Keluli

      B   Pewter
          Piuter

      C   Bronze
          Gangsa

      D   Stainless steel
          Kelulitahan karat


11   \Mich of the followingdoes not affectrate of reaction?
     Antara yang berikut, yang manakah tidak mempengaruhikadar tindak balas ?

      A   Total surfacearea of reactant
          Jumlah luaspermukaan bahan tindak balas

      B   Concentration solution
                       of
          Kepekatan larutan

     C    Presenceof catalyst
          Kehadiran mangkin

      D   Volumeof solution
          lsipadu larutan


12   Wtich of the followingorganiccompound undergohydrogenation
                                           will                     reaction?
     Antara yang berikut, yang manakah sebatianorganik yang akan mengalami tindak
     balas penghidrogenan?

     A    Propene
          Propena

      B   Propane
          Propana

     C    Propanol
          Propanot

     D    Propanoic acid
          Asid propanoik



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 13 \A/lrich the following
           of                             process?
                         explains oxidation
                                an
    Antarayang herikut,yang manakah menerangkanproses
                                                    pengoksidaan?
         Loss of oxygen
         Kehilangan oksigen

         Gain of electrons
         Penerimaan electron

         Loss of hydrogen
         Kehilangan hidrogen

         Decreasein oxidationnumber
         N ombor pengol<sid an berkurang
                           a



14 Pickled mango is prepared by soakingmango in vinegar. What typ of food
    additiveis vinegar?
    Jeruk mangga disediakandengan merendambuah 'mangga di dalam cuka.
    Apakah  jenisbahantambahmakananbagicuka?
        Dyes
        Pewama

        Thickener
        Pemekat

        Antioxidant
        Pengantioksidd

        Preservative
        Pengawet




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15   The thermochemicalequation the decomposition calciumcarbonate,
                                for                 of                  CaCO3
     is as follovus:
     Persamaan termokimia bagi penguraian kalsium karbonat, caco3 adatah seperti
     berikut:

              CaCO3 +     CaO +    COz      AH=+l7gkJ

     wrich of the followingenergylevel diagramrepresents equation?
                                                        the
            yang berikut, yang manakah gambarajah aras tenagi mewakiti persamaan
     lntlra
     itu ?

     A
           trnergy
           Tenaga
                                      = +178
                                     CaO + COz


     B
           Energy
           Tenaga

                                     = + 178
                                      CaC03


     c
           Energy
           Tenaga

                                  AH= +178



     D
           Energy
           Tenaga

                                  AH= +178




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to
                                                      ill




                                      Diagram3
                                       Rajah3

     Whatare thethreestates matter?
                              of
     Apakahkeadaan  fizikaljirimdi atas?

                                tl              ill
     A    Gas             Liquid           Solid
          Gas             Cecair           Pepejal

          Solid           Liquid           Gas
          Pepejal         Cecair           Gas

          Liquid          Solid            Gas
          Cecair          Pepejal          Gas


      D   Liquid          Gas              Solid
          Cecair          Gas              Pepejal


17 Which the substance
          of          below         the
                             contains samenumber atomsas in one mole
                                               of
             gas?
   of chlorine
   Antarabahan yang berikut,yang manakahmengandungi
                                                  bilanganatom yang
   samadengansatumol gas klorin?

     A    1 molneon
          I rnolneon

          Tzmolsodium
          % mol natrium

          T"mol carlcondioxide
          % mol karbon dioksida

     D    1 mol nitrogen dioxide
          1 mol nitrogen dioksida



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  18


                  W                                              Y   z




             X

                                         Diagram4
                                          Rajah4
       Diagram 4        shovus parts of the periodic Tabre of Erements.
       Tle symbols x, y andz are notthe actuar
                   w                         symbors the erements.
                                                   of
       \Mich of the following
                            shours correctarrangement elements X, y and Z in
                                  the               of        w,
       orderof increasingatomic
                              size?

       laian + menuniukkan  sebahagian
                                     Jadua! Berkala
                                                  lJnsur.simbot-simbolw, x, y dan
       Z tidakmewakili
                     simbo!sebenir unsur.
       Altara yang berikut,yang manakahmewakilisusunanyang betut pertambahan
       atombagi unsur-unsurW, y dan Z ?                                       saiz
                              X,

       A   W,X,Y,Z

       B   X,Y,W,Z

       C   Y, Z, X,W

       D   Z,Y,WX




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19




                                 Diagram5
                                  Rajah5

     In Diagram substance lights the bulbin the molten
               5,          X     up                        \Mich statement
                                                      state.
                the
     bestexplains observation?
     Dalam Rajah5, bahanX menyalakan merrtotdalamkeadanleburan.Pemyataan
     yangmanakah                      pemerhatian
                  palingbaikmenerangkan          tersebut?

          X consistsof ions
          X terdiri daripada ion-ion.

          X consistsof molecules
          X terdiri daripada molekul-mole4ul

          X has freely movingions
          X mempunyaiion-ion bebas bergerak

          X has ions in fixed position
          X mempunyaiion-ion dalam kedudukan tetap


20   A studentconstructed chemicalcell using a copper rod, a zinc rod, copper (ll)
                            a
     sulphate solution and connecting wires. \A/hichof the following will act as the
     positiveterminal?
      Seorang pelajar membina safu se/ kimia menggunakan rod kuprum, rod zink,
     larutan kuprum (ll) sulfat dan wayar penyambung. Antara yang berikut, yang
     m an akah akan m eniadi terminal positif?

          Copperrod
          Rod kuprum

          Zinc rod
          Rod zink

          Connectingwires
          Wayar penyambung

          Coppe(ll) sulphate  solution
          Larutan kuprum (ll) sulfat



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21 Diagram6 shouvs set-upof apparatus the titration 25 cm3 1.0 mol drn3 sodium
                   the                       for          of
   hydroxidesolution                  of
                    with 0.5 mol dm-3 sulphuric  acid.
   Rajah 6 menunjut<Ran  susunan radas bagi titratan 25 cmslarutan natrium hictroksida1.0
          ^
   mol dm' dengan asid sulfurik 0.5 moldm'".




                                               of
                                   0.5moldm-3 sulphuric   acid
                                   0.5 mol dm'"asidsulfurik




                                 25 cm31.0mol dm-3  sodiumhydroxide
                                 solution+ phenolphthalein
                                 25 cm' larutannatium hidroksida1.0 mol dm'
                                 3 + feno!ftalein

                                         Diagrarn 6
                                          Rajah 6

    What is the volume of 0.5 mol dm-3of sulphuricacid solution requiredto completely
    neutralize cm3 1.0 mol dm-3
             25                  sodiumhydroxide   solutions?
    Berapakah isi padu 0.5 mol dm' asid sulfurik diperlukan untuk meneutralkan lengkap 25
    cm3 larutannatrium hidroksida mol drn?
                                 1.0

        A   12.50cm3

        B   25.00 cm3

        C   50.00 cm3

        D   75.50 cm3




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22   Wftichof the followingions form white precipitatethat dissolvesin excessamrnonia
     solution?
     Antara ion-ion berikut, yang manakah menghasilkanmendakan putih yang larut
     dalam larutan ammonia berlebihan?

      A    Mgt*
      B    AI3*
      c    znz*
      D    Pb2*

23   The equationbelowshowsthe formationof a compositematerialfrom its original
     component.
     Persamaandi bawah menunjukkanpembentukan satu bahankomposit daripada
     komponen asalnya.

          Plastic +   Glass fibres          Fibreglass
          Plastik +   Gentian kaca --|      Kaca gentian

     Why is fibre glass betterthan common plastic?
     Kenapakah kaca gentian lebih baik daripada plastik biasa?

      A    Hightensile strength
           Kekuatan regangan tinggi

      B    Resistant corrosion
                   to
           Tahan kakisan

     C     Able to withstandheat
           Tahan haba

      D    Good conductorof electricity
           Konduktor elektrikyang baik


24   Whichof the following makemeat last longer?
                           will
     Antara yang berikut, yang manakah boleh menyebabkan daging tahan tebih lama?

     A     Boilthe meatfor an hour.
           Mendidihkan daging untuk satujam.

      B    Dry the meat under the sun
           Mengeringkan daging di bawah matahari

     C     Keep the meat in a refrigerator.
           Menyimpan daging di dalam petisejuk

     D     Fry the meat and keep intoa container.
           Menggorengkan   dagingdan menyimpan    didalam bekas,


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25   The equationbelowshovvs reactionof alkene.
                           a
     Persamaandi bawahmenunjukkan tindak balasalkena.

          CH3CH=CH2+        Y     +CH3CH2CH2Br

     Which of the followingis Y?
     Antara yang berikut, yang manakah Y?

      A    Bromine,Br2
           Bromin, Br2

      B   Hydrogen  bromide,HBr
          Hidrogen bromida, HBr

      C   Sodiumbromide,NaBr
          Natrium bromida, NaBr

      D   Magnesium  bromide, MgBr2
          M agnesium bromida, MgBr2


26 The followingshows an ionic equation.
   Yang berikut menunjukkansuatu persamaanion.

         +
     P 1s; Qtn("d *        P2*("0 +   Q

     Based on the equation,which of the followingis true?
     Berdasarkanpersamaan tersebut,yang manakah benar?

     A    P is oxidised.
          P dioksidakan.

      B   P2*is oxidised.
          f  dioksidakan.

     C    Qz* is a reducingagent.
          Q2*adalahagen peneurunan.

     D    Q2' donateselectrons.
          Q2*menderna elektron.




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27   Diagram7 showsthe results       when metalX is addedintosolution
                              obtained                                  A.
     Rajah 7 menunjukkan keputusanyang diperoleh apabila logam X ditambah ke
     dalam larutan A.




                             A
                     Solution before addingmetalX
                     Larutan A sebelum ditambahkanlogam X




                     ffi    A
                    Solution after addingmetalX
                    Larutan 4 se/epas ditamhahkan logam
                                      Diagram 7
                                       Rajah 7

     Which of the followingexplainsthe reaction?
     Antara yang berikut, yang manakah menjelasRantindak balas tersebut?

      A               and
          Displacement endothermic
          Penyesaran dan endotermik

      B               and
          Displacement exothermic
          Penyesaran dan eksotermik

      C               and
          Precipitation endothermic
          P emendakan dan endotermik

      D               and
          Precipitation exothermic
          Pemendakan dan eksotermik




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                      tl                           nl         IV
                                             o
                                  o-
                                             tl-
                                             s          o-
          CHsf ( CHz ) r r t                                 Na*
                                             tl
                                             o

                                 Diagram 8
                                  RaiahI

          on     8                      part
   Based Diagram , whichis the hydrophilic in sodium         sulphate?
                                                       dodecyl
             Rajah8, yangmanakah
   Berdasarkan                   bahagian          dalamnatium dodekil
                                          hidrofilik
   sulfat?

    AI

    Bll

    c     lll

    DIV




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                                                                   4il1tl

              and         are
29 Chlorine-35 chlorine-37 hruo          of
                                 isotopes chlorine.\Mratarethe differences
   in theseisotopes?
   Kortn4l dan klorin3T adalah dua isotopklorin. Apakahperhezaandi antara
   isotopisotopini?

    I     Protonnumber
          Nomborproton

    ll          number
          Nucleon
          Nombornucleon

   lll    Physicalproperties
          Sifat-sifat
                    fizikal

   lV     Chemicalproperties
                    kimia
          Sifat-sifat

   A      l an d ll
          I dan ll

   B      l l an dl l l
          ll dan lll

   C      l and lll
          t danttt

   D      l l a n dl V
          ll danlV




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 30 Diagram showsthe set-upof apparatus determine empirical
            9                           to         the        formulaof
    metaloxide.
    n/1h 9 menuniukkan susunan radas untuk menentukanformula empirik bagi
    ol<sida
          logam.

                  MethodI                          Methodll
                  Kaedah I                         Kaedah ll
      Crucible                                       Chemicalsubstance
      tid                              Dryhydrogen   BahanKimia
      Penufup                Chemical gas
      mangkuk                substance Gashidrogen
      p'jar                  Bahan     kering
                             kimia




                                     Diagram9
                                      Rajah9

          of
    \Nhich thefollowing the correct
                       is          match Method and Method
                                        for      I           ll?
    Antarapadanan beikut, yang manakah
                                     betulunfukKaedahI danlt?

                     MethodI                          Methodll
                     KaedahI                          \aedah ll

      A                (ll)
                  Copper oxide                       Lead (ll) oxide
                 Kuprum(ll) oksida                plumbum (ll) oksida

      B            Lead(ll)oxide                   Copper(ll) oxide
                         (ll)
                 Plumbum oksida                   Kuprum (ll) oksida

      C          Magnesiumoxide                      Lead (ll) oxide
                 Magnesiumoksida                  Plumbum (ll) oksida

      D                (ll)
                 Copper oxide                     Magnesiumoxide
                       (ll)
                 Kuprum oksida                    Magnesiumoksida




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 31


                 X
                                                                     Y




                                     Diagram10
                                      Rajah 10

      An atom of element X reacts with element Y to form a compound.\A/hatis the
      formulaof the compoundformed?
       satu atom unsur x beftindak balas dengan unsur y menghasilkan safu
      sebatian.Apakah formula bagi sebatianyang terbentuk?

      AX Y
      B    X,Y
      G    XYZ

      D    XzYz


32    Manycovalentcompounds usedas solvents.
                            are               \fthichof the following not a
                                                                    is
      solvent paint?
            for
      Kebanyakansebatiankovalen digunakansebagaipelarut. Antara yang berikut,
      yangmanakahhukan pelarutuntukcat?

      A   Ether
          Eter

      B   Water
          Air

      C   Ethanol
          Etanol

      D   Turpentine
          Turpentin




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 33 Diagram showsthe apparatus
            11                 set-upIn flrs elec{roplating an iron spoonwith
                                                          of
    silver.
    Raiah 11 manuniul<kat
                        sosunanradasuntuk menyadursatu sudu fusi dengan
    aryentum.




                                                   Silver foil /
                                                   kepingan argenttmt
                                                   Solution Yllarutan

                                     Diagram  11
                                      Rajil tl
    IMratcouldbe solution
                        Y?
    Antanyangbeikut,yang manakah
                               larutany?

    A     lron(ll) sulphate
          Ferum(ll)  sultat
    B     lron(ll) chloride
                 (ll)
          Ferum klofda
   C      Sllver
               chtoride
          Argentumklafida
   D      Silvernitrate
          Aryentunnttrct




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SULIT                                                                          4s1t1

34                               pH = 1.0                pH= 5.0


           1. 0 m oldm - 3
                                                    H
                                                    t-----t        1.0 mol dm-r
           hydrochloric  acid
                                                    t:_':F         ethanoicacid

                                            Diagram12
                                             Rajah 12

     In Diagram12, the pH value of ethanoic  acid is higherthan the hydrochloric  acid.Which
                     explain difference?
     of the following,      the
     Dalam Rajah 12, nilai pH asid etanoik lebih tinggidaripada asid hidroklorik. Antara yang
     berikut, yang manakah menerangkan perbezaan tersebut?

      A                                      of
            Ethanoicacid has low concentration H*
            Asidetarnik mempunyaiRepekatanlf yang ren&h

      B     Ethanoicacid is a strongacid
            Asid etanoik iatah asid kuat

      C     Hydrochloric acid is a weak acid
            Asid hidroklorik ialah asid lemalt

      D     Hydrochloric                         of
                        acid has highconcentration OH
                           mempunyai
            Asid hidroklorik          kepekatanOH-yangtinggi




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35 Diagram shows series reaction involves
          13      a     of       that       compound G.
   Rajah13 menunjukkan sii tindakbalas
                     satu             yang metibatkan
                                                    sebatian
                                                           G




                                          Added with dilute hydrochloricacid and
                                          filtered.
                                          Tambah asid hidroklorik cair dan dituras




                                                       Added  withammonia solution
                                                       untilexcess.
                                                       Tambah  larutanammonra
                                                       sehinggaberlebihan

                                       Whiteprecipitate
                                                      dissolves
                                       Mendakan putihmelarut

                                       Diagram 13
                                        Rajah 13
   G is a mixture trrrc
                of     salts.Among following,
                                    the       whatis G?
   G adalahcampuran garam.Apakah
                       dua                G?
    A     Lead(ll) nitrate zinccarbonate
                         and
          Plumbum(ll)nitrat dan zink karbonat

     B   Lead(ll)
                nitrate aluminium
                       and            nitrate
         Plumbum(ll)nitrat dan aluminium nitrat
     C   Silver
              sulphate copper carbonate
                      and       (ll)
         Argentumsulfatdan kuprum(ll)karbonat
     D   Magnesiumsulphate lead(ll)
                          and     carbonate
         Magnesiumsulfatdanplumbum(il)
                                     kahonat




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                                                            ffi111

  36 Diagrum shorrnscamera,
             14     a
     Rajaht4 menunjukkan
                       sejeniskarnora.




                        lens
                   Quarts
                   Kantakuarba

                                  Diagram14
                                   Rajaht4



     T/haJ jenisglassis used make quartz
         typeof             to   the    tens?
     Apakah     kaea yangdigunakan
                                 untukmembuat
                                            kantakuartza?
     A   Fusedglass
         Kacasilikatedakur
         Sodalimegfass
         Kacasodakapur
                   glass
         Borosilicate
         Kacabonsilikat
         Leadcrystalglase
         Kacaplumbum




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     37    A student carried out an experimentto determinethe rate of reaction behoeen
           calcium carbonateand dilute hydrochloric  acid. The volume of carbon dioxidegas
           collectedat intervalsof 0.5 minutesis recordedin Table 1.
           Seorang pelajar menjalankan eksperimen untuk menentukan kadar tindak balas
           antara kalsium karbonat dan asid hidroklorikcair. lsipadu gas karbon diot<siJa
                                                                                        yiig
           terkumpulpada selang masa 0.Sminit direkod dalam Jadial I.

              Time (min)          0   0.5 1. 0 1 . 5 2.0 2.5 3.0 3.5 4.0 4.5 5 . 0
              Masa (minl
                        sas       0   27 46      59    70   79      86   92   95   95    95
              F#i""orco2
              f'#r,*sasco2
                                             Table1
                                            Jadual 1

          What is the averagerate of reactionin the third minute?
          Apakah kadar tindak balaspurata dalam minit ketiga ?

           A     28.67cmsmin-1

           .B    23.75 cm3min'1

           C     16 cm3min'1

           D     14 cm3min-


    38 Propane,
              CgHaundergoes
                          complete
                                 combustion produce carbon dioxide, COz
                                          to
       andwater,
               H2O.
          Propana, cslla mengalami pembakaran lengkap untuk menghasilkan karbon
          dioksida, COzdan air, H2O.

          calculate the volume of carbon dioxide producedwhen 0.5 mol propane burns
          completely roomtemperature.
                     at
          [Molarvolume = 24 dmsmol'latroomtemperature]
          Kira isipadu gas karbon diaksidayang terhasil ipabila 0.5 mo! propana terbakar
          dengan lengkap pada suhu bilik
          fisipadu molar= 24 dm3mollpadasuhu bilik]
I
          A     72.0 dm3

          B     36.0 dm3

          C     24.0 dm3

          D     12.5dm3




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                                              ion?
39 \Nhat is the oxidationnumberof X in X,.'ot?-
    Apakahnombor pengoksidaan   bagiX dalam ion XrOrz-?

    A+3

    B+4

    C+5

    D+6


                the         readings the reaction
40 Table2 shovrrs temperature      for          between cm' of 0.1
                                                       25
                    acid        of
   moldm3hydrochloric and25 cm3 0.1moldm-3  sodium        solution.
                                                  hydroxide

    Jadual 2 menunjukkan bacaan suhu untu? tindak batasdi antara 25 cm3 asid
              0.1                                          0.1
    hidroktorik mol dm'3 dan 25 cmr larutannatriumhidroksida mol dmn.


     Averageinitialtemperature beforebothsolutions mixed
                                                  are
     Suhu awaI kedua-dua larutan sebelum dicampurkan            300c

           temperature bothsolutions mixed
     Highest           after          are
     Suhuteftinggi
                 larutanse/epasdicampurkan                      43"C


                                        Table2
                                        Jadual2

    Calculate heat produced
            the                from the reaction.
    Krakan haba yang terhasil daripada tindak balas tersebut.


    A     25cm3 x 4.2J g-1oC-l x 13oC

     B    25cm3 x 4.2J g-1oC-l x 43oC

    c     50cm3 x 4.2J g-1oc-1x 13oC

    D     50cm3 x 4.2J n-l og-r x 43oC




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 SUUT                                                                     4547t1

 41 Diagram15 shovrethe molecularformulaof an organiccompound.
    Rajah 15 menunjukkan formula moteku!hagi suafu sebatiai organik




                             csHz czHs
                                coo

                                       Diagram 15
                         .              Rajah t5
    Thecompound an ingredient making
                  is            in              jam.
                                        pineapple l/r/trat the function the
                                                         is           of
    compound?
    sebatian itu adalah suafu bahandalam penyediaanjem nenas. Apakahfungsi
    sebatiantersebut?


         To make the jam thicker
         Untuk memekatkan jem

         To enhancethe flavor
         Untuk menambah pertsa

         To preventoxidation
         Urttuk m engelakkan pep   ksidaan

         To sweetenthe jam
         Unfuk menambah kemanisanjem




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42
               Substance          Meltingpoint/oC        Boilingpoint/ "C
                Bahan             Takat lebur/" C        Takatdidih/ "C

                     W                  -123                   7B

                     X                  ,10                    104

                                         59                    224

                     z                  120                    445


                                     Table3
                                     Jadual3

     Whatarethe physicalstates substances X, Y andZat 11e"C?
                              of         W,
     Apakahkeadaan fizikalbahanW,X, Y dan Z pada 119 C?

               W                X                                    z
              Liquid          Liquid            Solid             Gas
              Cecair          Cecair           Pepejal            Gas

               Gas             Solid           Liquid             Gas
               Gas            Pepejal          Cecair             Gas

              Solid           Liquid            Gas               Gas
             Pepejal          Ce air            Gas               Gas

               Gas             Gas             Liquid            Solid
     D         Gas             Gas             Liquid           Pepejal




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43 Table4 shornc percentage massof eachelement a compound their
                the          by                     in            and
   relative
          atomicmasses.
   Jadual 4 menuniukkanperatusanmengikutjisim bagi sefi.bpunsur dalam safu
   sebatian jugajisim atomrelatifmasingrmasing.
            dan

          Elements
          Unsur                      c         H         o
          Percentage(%)
          Peratus(T)               26.70      2.20      71.10

         Relativeatomic lmss
         Jisim atom relative         12        1         16


                                  Table4
                                 Jadual 4

    \Mrat is the empiricalformulaof the compound?
    Apakah formula empiik untuk sebatian tersebut?

    A    CHO

    B    cH()2

    c    cH20

    D    CzHO


44 ElementZ forms an oxide with the chemicalformulaof 2203.\Attrich the following
                                                                  of
   is true aboutthis oxide?
   Unsur Z membentuk oksida dengan formula molekul ZzOs. Antara yang beikut,
   yang manakah henar tentang oksidaini?

    A   The oxide of Z reactswith acid only.
        Oksida Z bertindak balas dengan asid sahaja.

    B   The oxide of Z reactswith alkali only.
        Qksida Z beftindak balas dengan alkalisahaja.

        The oxideof Z reactswith bothacid and alkali.
         Oksida Z bertindak balas dengan kedua-dua asid dan alkali.

        The oxide of Z does not react with both acid and alkali.
         Oksida Z tidak bertindaKbalas dengan kedua-dua asid dan alkali.




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         lt t




                           http://edu.joshuatly.com/
SULIT                                                                            4541t1

45 Atom X has an electron   arrangement 2.4. Atom Y has protonnumberof 17.What
                                        of
   are the properties the compound
                      of              formedbetween   elements and Y?
                                                                X
   Atom X mempunyai susunanelel<trom Atom Y mempunyainomborproton 17.
                                         2.4.
   Apakah ciri-ciri sebatianyang terbentuk antara unsur X dan unsur Y?

    I     lt has highboilingpoint.
          la mempunyaitakat lebur yang tinggi.

    ll    lt does not conductelectricity.
          la tidak boleh mengkonduksi elektrik.

    lll   lt does not exist as a solidat roomtemperature.
          la tidak wujud sebagai pepejal pada keadaan bilik.

    lV                 in
          lt is soluble organic  solvent.
          la larut dalam pelarut organik.

    A     I and ll only
          I dan II sahaja

    B     lll and lV only
          lll dan lV sahaja

    C     l, ll and lll only
          l, ll dan lll sahaja

    D     ll, lll and lV only
          ll, lll dan lV sahaja

46 The electrolysisof copper (ll) sulphatesolution was carried out using copper
   electrodes.What the observation anodeand the productat cathode?
                     are               at
   Eleldrolisis larutan kuprum (ll) suffat menggunakan elel<trod-elel<trod
                                                                         kuprum
   dijalankan.Apakah   pemerhatiandi anod dan hasildikatod?

                            at
                  Observation anode                       Productat cathode
                             dianod
                  Pe,msrhatian                              Hasitdikatod

    A         Electrodebecornes  thicker                        Coppermetal
                      menjadi lebih tebal
              Elel<trod                                        Logam kuprum

               Electrodebecomes thinner                         Coppermetal
              Electrodemenjadilebihnipis                       Logam kuprum

    c                   gas bubbles
               Colourless                                       Oxygengas
            Gelembung gas tidak berwarna                        Gas oksigen

    D                  gas
               Colourless bubbles                              Hydrogen gas
                     gas
            Gelembung tidak berwarna                           Gas hydrogen




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 SULIT                                                                4541tI

47 The equationbelow shoue the reactionbetrrr,een
                                                magnesiumand hydrochloricacid.
   Persamaandi bawah menunjukkantindak batas di antara magnesium dan asid
   hidroklorik.

                   Mg +   2HCl -'    MgCl2 +     Hz
    lf 0'48 g of magnesium used,calculate volumeof 0.5 mol dm-3
                            is             the                      hydrochloric
                                                                              acid
    needs be added complete
           to          for       reaction.
    [Relative atomicrnss : H=1: Mg=24;Cl=35.5]
    Jik10.a8 g magnesium   digunakan,hitungkln isipaduasidhidroktonkO.S dm'3yang
                                                                      mol
    perluditambah  untuktindakbalasyanglengkap.
    fJisin atomrelatif.'H=1;Mg=24;Cl=35.5]
    A    0.08cm3

     B   0.8 cms

    C    Scmo

    D    B0 cm3




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48   Diagram16 shows the set up of the apparatus   forthe action of heat on zinc carbonate,
     After a few minuteslime water turns cloudy.
     Rajah16 menunjukkansusunan      radas bagikasan habake atasbahan W.
     Se/epas beberapaminft air kapur menjadi keruh.




                                     tI
                                     I
                                   Heat                         Lime
                                 Panaskan                       water


                                      Diagram16
                                       Rajah'16

     The mass of the boilingtube with the contentbeforeand afterthe heatingis recordedin
     Table 5 below.
     Jisim tabung didih dengan kandungannya sebelum dan se/epas dipanaskan dicatatkan
     dalam Jadual 5 di bawah.

                         Beforeheating                 31.25s
                         Sebelumpemanasan
                         Afterheating                  2O.259
                         Se/eoasDemenasan

                                            Table 5
                                            Jadual 5

     Calculate volumeof the gas released dm3at roomtemperature.
               the                           in
     [Rejativeatomic mass: c=12; o=16; Zn=65; Molar volume at room temperature= 24
     dm'mol'tl
     Hitung isipadu gas yang terbebas datam dmspada suhu bitik.
     [Jisim atom relatif:c=12 0=16; zn=65; lsipadumolarpada suhu bilik= 24 dmsmoIl]
     A3




          11

          12




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      SUUT

      4(t Qiagrarn shoruE ironnailsintesttubes, e, R andS.
                  18     four                   p,
          laigh16 menuniukkan empatpakudiletakkan oaam empat
                                                ai         tabunguji
          P,Q RdanS"


                Hotjellysolution potassium
                               +         hexao/anofenate(lll)
                                                          solution
                Larutan agar-agar     +
                                 panas larutan
                                             kalfumheksdsilnofent(ilt)




                    #{\
               lronnail
               withsilver
               Pakubesi
                              lronnail
                              withlead
                              Pakubesi
                                            lronnail
                                            withzinc
                                            Pakubesi
                                                        lron naifwith
                                                        magnesium
                                                        Pakubesi
               dengan         dengan        dengan zink dengan
               argentum       Plumbum                   magnesium
                    P            0                 R          S
                                       Diagram16
                                        Rajah16
        whichtesttubeshows highest
                          the    intensity bluecolouration a day?
                                         of              afier
        TaPu!1g manakah
               .uii      yang mempunyai
                                      ieamatanwamabii yang tiiggi setepas
        satuhari?
         AP
         BO
         CR
         DS




t


I
,i




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                                                           heated using methanol,
50 Table 6 shovrrs data recordedwtren 100 cm3of water rltras
                 a
           as
   CH3OH a fuel.
   Jadual 6 menunjukkan data yang direkodkan apabita 100 cm3 air dipanaskan
   dengan menggunakanmetanol, CH3OHsebagaibahan api.

         Massof vrrater
         JEim air                                                10Og

                            of     I
         Change temperature r,trater,
               in
         Perubahansuhuair,0                                      20 0c

         Massof methanolburnt
         Jisimmetanolterbakar                                    0.32s

                                      Table 6
                                      Jadual 6


    \Alhatis the heat of combustionof methanolin the reaction?
    Apakah haba pembakaran metanol di dalam tindak balas tersebut?

            heat capacity solution: J g'1oC-1;
    [Specific             of         4.2                              CHOH is
                                                 molarmass of methanol,
    32 g mol-l1
    tHiba kapasffispesifik larutan: J g'1"CI;Jisim molar metanol,CH3OH adalah
                                  4.2
    32 g mofll

     A   0.84 kJ nrcl-r

     B   8.4 kJ mol-r

     C   84 kJ mol'l

     D   840 kJ mol'l




                             END OF QUES'IIQNPAPER

                              KERTAS SOALAN TAMAT




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         .
    Nam a:. . . . . . . , . .                                           Kelas:
               n
          t t lt     \
        tl ttl
                                                 PELAJARAN
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    ,   v r t a- l       I
,         w-                 I
r            ,L>                 \
\---.-/

PEPERIKSAAN
          PERCUBMN 2011
                 SPM                                                                454112
CHEMISTRY
     2
Kertas
September

2%jan
  jam
Dua tigapuluh
            minit


                                          BUKA
                                     JANGAN   KERTAS    INI
                                                   SOALAN SEHINGGA
                                                                 DIBERITAHU

           1, Tuliskan
                     nama tingkatan
                          dan      pada
              ruangyangdisediakan.                                  Kegunaan
                                                                Untuk     Pemeriksa
          2. Kerfas    iniadalah
                  soalan       dalam
             dwibahasa.                                  Bahagian      Markah Markah
                                                                Soalan
                                                                       Penuh Diperoleh
          3. Soa/andalambahasa/nggens
             mendahului yangsepadan
                       soalan                                       1       10
             dalam      Melayu.
                  bafiasa                                           2       10
               lo      na n njaw
          4 . Ca n dibe r{<ame ab                                   3       10
                     kesel
                         uruhan sebahagian
                               atau                         A
                                                                    4       10
                     soalan    ada
                           sa/na dalambahasa
                     lnggeis bahasa
                            atau    Melayu.                         5       10
          5. Calon        membaca
                 dikehendaki                                        6       10
                     maklumat halaman
                            di      belakang                        7       2A
                     keftas    ini.
                          saalan                            B
                                                                    I       20
                                                                    I       2A
                                                            c
                                                                    10      20
                                                                  Jumlah




                                         Kertas    ini
                                              soalan mengandungi29
                                                               halaman
                                                                     bercetak


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          2011
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SULIT                                      2


                                       SectionA
                                      Bahagian A

                                        [50 marks]
                                       160markahl
                          Ansvr,er questions thissection.
                                all         in
                        Jawab semua soalandalambahagianini.


1 (a)   Diagram showsthe manufacture ammonia.
                1.1                  of
                                   pembuatan
        Rajah 1.1dibawah menunjukkan        ammonia.


                                                  The unreacted and H2
                                                                 N2
                                                  N2 dan H 2 yang tidak bertindak balas




                   -l                Mixtureof
                                     Nzand Hz
                                                         lroncatalyst
                                     200 atm
                                                         450r
                        I            Campuran
          H2gas
          Gas H2
                   _l                N2 dan H2
                                     200atm
                                                         Mangkinbesi
                                                         45eC


                                                                                 ammonia
                                                                            Liquid
                                                                            Cecairammonia
                                           Diagram1.1
                                            Rajah1.1

        Based Diagram :
             on        1.1
        Berdasarkan
                  Rajah 1.1 :

        (D                      process.
              Namethis industrial
              Namakanprosesindustriini.


                                                                                    [1 mark]


        (iD   State the names of reactantsused.


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             Nyatakan nama unfuk bahan-bahan tindak balasyang digunakan.


                                                                                  [1 mark]
                      gas
        (iiD Theammonia formed condensed separated.Jhy?
                                 is          and         \
             Gasammoniayang terhasildikondensasikan diasingkan.
                                                 dan          Kenapa?


                                                                                  [1 mark]
        (iv) Write two main uses of ammonia.
             Tuliskan dua kegunaan utama ammonia,




                                                                                 [2 marks]
  (b)   Diagram1.2 showsthree sourcesof traditional medicines.
        Rajah 1.2 menunjukkan tiga sumber ubat tradisional.




                      P                     o
                                           Diagram1.2
                                            Rajah1.2

        Matchthe threesour@sof traditional
                                         medicine theirusesby usinga line"
                                                with
        P adankan ketiga-tiga contoh-contoh sumber dengan keguna anny a.



                                     Curesorethroat

                                     Treatskinwounds
                                     Merawatluka kulit


                                                                                  [1 mark]
  (c)        Thefollowing
                        shows
                            fourexamples modern
                                       of     medicines.

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                              empatcontohubatmoden.
            Di bawahmenunjukkan

            Haloperidol n                        Barbiturates
            Haloperidol -                        Barbiturat

            Paracetamol l--l                     Streptonrycin t_]
            Paracetamol                          Strefromysin


        0   Tick({) in the boxprovided
                                     above indicate
                                           to        analgesics relieve
                                                              that     pain.
                                                            yang mengurangkan
            Tanda(l) di dalam kotakdi atasuntukubat analgesik
            kesakitan.
                                                                          [1 mark]
        (iD Nameanother     of         that               tablets in
                      example analgesics is usedin headache     and
                         Whatis the sideeffectof this medicine?
            coughmedicines.

                                      yang digunakan
            Namakancontohlain analgesik             dalamubat sakitkepaladan
            ubat batuk Apakah kesansampingancontohubat ini?




                                                                              [2 marks]
        (iiD An attention                 disorder
                        deficithyperactivity                                    a
                                                   childmaytake dextro-amphetamine,
             psychotherapeuticmedicine.Stateits functio
                                                      n.

             Seorangkanak-kanak             dan
                                  hiperal<tif bermasalah    kurangtumpuanbolehdiberi
             ubat dertroamfetamin,satu contoh ubat psikoterputik . Nyaakan fun gsi a.
                                                          a           t          ny




                                                                                 markl




                                                                                          -




                                                                                              I




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2         Diagram showspartof the Periodic
                  2                       Tableof Etenrents.
          V, \N,X,Y,Z and U do not represent actualsymbols the elements.
                                           the             of

          Rajah2 menunjul<kan    sebahagian
                                          daipada JadualBerkala.
          V, W, X, Y, Z dan U tidakmewakilisimbolsebenar
                                                       unsur berkenaan.

                1                                                           18




                                          Diagram2
                                           Rajah2

          Using letters diagram
               the     in      2,answer following
                                       the         questions:
          Denganmenggunakan          dalamrajah2,jawab soa/an-soalan
                           huruf-huruf                             berikut:
    (a)   (D   Vvhich
                    elementis a halogen?
               Unsuryang manakahadalahhalogen?


                                                                           [1 rarkl
          (iD tMich elementis transition
                                       elernent?
               Unsuryang manakahlogamperalihan?


                                                                           [1 rmrkl

          (iiD \Mich elementis monoatomic?
               Unsuryang manakahmonoatom?


                                                                           [1 markl




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   (b)   (D   Writethe electron
                              arrangement an atomof element
                                          for             X.
              Tuliskansusunaneleldronbagi atom unsurX.


                                                                            [1 mark]
         (iD write theformulaof the ionformed froman atomof erenrentX.
             Tuliskanformulabagi ion yang terbentukdaripada satuunsur X.


                                                                            [1 mark]
   (c)   (D   \Mry are elements Y andZ placedin the sameperiod?
                              X,
              MengapakahunsurX, Y dan Z terletakdalam kalayang sama?


                                                                            [1 mark]
         (ii) furangeelernents Y andZ according the decrease the sizeof atoms.
                              X,                to            in
              Susununsur X, Y dan Z mengikutpengurangansaizatom.


                                                                            [1 markl
   (d)   (D   Writethe balanced
                              chemical
                                     equation the reaction
                                            for          betureen
                                                                element and
                                                                      X
              oxygen gas.

              Tuliskan percamaan
                               kimia seimbang
                                            bagitindakbalas antara
                                                          di     unsurX dan gas
              oksigen.


                                                                           [2 marks]
         (ii) Elernent dissolves waterto produoe solution.
                     Z         in              a
              Complete equation the reac.tion.
                      the         for

              Zz + HzO    '-+   ........ . . . . . . . . .+. . .
                                                          .

                                                                           [1 mark]




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    Diagram shovrrs apparatus up to determine melting
           3      the         set               the     pointof substance In
                                                                        X.
    thisexperiment, X is heated
                 solid         untilit changes molten
                                             to     state.

                     susunanradasuntukmenentukan
    Rajah3 menunjukkan                          takatleburbahanX. Dalam
    ekspermen pepejalX dipanaskan
             ini,                       ia
                                 sehingga berubahkepadacecair.




                                                   Thermometer
                                                   Termometer

                                                           tube
                                                     Boiling
                          Water                      Tabungdidih
                             Air           t- -

                       Substance X
                          BahanX




                                     m
                                     D ipanaskan

                                     Diagram3
                                      Rajah3


    Based diagram ansu,er following
         on        3,        the        questions.
    Berdasarkan
              rajah 3,jawab soalan-soalan
                                        berikut.


    (a) Whatis the nameof the process
                                    whensolidchanges moltenstate?
                                                    to
        Apakah prosesapabilapepejalberubahmenjadileburan?


                                                                         [1 mark]




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    (b)                      pointof 90oC. a testtubeof molten at 150oC allora,ed
          SolidX hasa nrelting           lf                   X        is      to
          coolat roomtemperature,

          PepeialX mempunyaitakat leburg}o2. Sekiranyatabunguji yang mengandungi
          leburanX pada suhu 150oCdisejukkanpada suhu bilik,

          0     Sketcha graphof temperatureagainst
                                                 timefor the cooling molten
                                                                    of     X.
                Lakarkangraf suhu melawan masaunfukpenyejukanleburanx.




                                                                             [2 marks]
          (iD   Howto avoidsupercooling
                                      process?
                Bagaimanauntuk mengelakkanproses penyejukanlampau?


                                                                              [1 mark]
          (iiD Drawa labelledapparatus set-upfor the coolingprocess substance
                                                                  of          X.
               Lukissusunan radas berlabelunfuk proses penyejukanbagi bahanX.




                                                                            [2 marks]

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    (c)   Particles       of
                   consist atom,molecule ions.\A/hy an atomneutral?
                                          or          is
          Zarah-zarah terdiridaripad atom,molekulatauion. Mengapakah
                                   a                               atom adalah
          neutral?


                                                                             [1 mark]

    (d)   A bromineatomhas35 protons
                                   and 45 neutrons.Writethe standard
                                                                   representation
          of bromine
                   atom.
          Satuatombrominmempunyai3S  protondan 45 neutron.Tuliskan        piawai
                                                                 perwakilan
          untukatombromin.


                                                                             [1 mark]
    (e) (D      Whatare isotopes?
                Apakahisotop?


                                                                             [1 mark]
          (iD   Phosphorus-31 phosphorus-32 isotopes phosphorus.
                            and          are       of         Stateoneuse
                of phosphorus-32.

                          |
                Fosforus-3 dan fosforus-32
                                         adatahisotopuntuk fosforus.Nyatakansatu
                kegunaan fosforus32.


                                                                             [1 mark]




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4   Thethermochemicalequation
                            represent displacement
                                   the          reaction copper
                                                       of     fromcopper(ll)
    sulphate
           solution zinc.
                  by

    Persamaan  termokimia  berikutmewakilitindakbalaspenyesdran
                                                              kuprumdartpada
                                                                           larutan
    Ruprum(ll)sulfatoleh zink

          Zn (s) + Cusoa (aq) +    ZnSoa(aq) + cu (s)      AH=-190kJ/molr


    (a)    Statethe meaningof heat of displacement.
           Nyatakan maksud haba penyesaran.




                                                                             .1markl
    (b)   ls it an exothermic
                           reaction endothermic
                                  or          reaction?
          Adakahia tindak balaseksotermik
                                        atauendotermik?


                                                                             [1 mark]
    (c)   Statetwo observations this experirnent.
                              in
          Nyatakan dua pemerhatiandalamtindak balasini.




                                                                            [2 marks]
    (d)   Drawan energyleveldiagram thisreaction.
                                   for
          Lukisgambarajaharastenagabagitindak balasini.




                                                                            [2 marks]

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   (e)      In the experiment,excess  zinc povrder reacted
                                                  was       with25 cmsof 0.2 rnoldm'3
           copper(l sulphate
                    l)        solution.
           Dalam.eksperimen serbuk
                              itu,       zinkbertebihan
                                                      ditindakbalaskandengan23 cm3
           larutan kuprum(ll)sulfat 0.2 mol dm'?.

           Calculate heatenergy
                   the          released thisexperiment.
                                        in
           Hitungkantenagahabayang dibebaskandidalam eksperimen
                                                              ini.
                   heatcapacity solution:4.2J og't'Density solution: g crn3]
           [Specific           of                g-t          of         1
           lMuatanhaba tentularutan:4.2 J g't oc-,;Kefumpatanlarutan: g cm'-1
                                                                    t




                                                                                 [2 marks]
   (b)     In anotherreaction, was replaced
                              zinc         with magnesium reactwithcopper(ll)
                                                        to
           sulphate solution.
                  the
           Predicf valueof heatof displacernent, andexplain
                                              AH           why.
           Dalam satu tindak balaslain, zink telah digantikandenganmagnesiumuntuk beftindak
           balasdenganlarutankuprum(ll)    sulfat.
           Ramalkan nilaihaba penyesaran, dan terangkan
                                             LH                mengapa.




                                                                                 [2 marks]




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  Diagram shovvs flowchartfor the qualitative
         5.1      a                           analysis substance
                                                      of       X.
  Rajah5.1 menunjukkan
                     cartaalir analisis
                                      kualitatffbagisebatian
                                                           X.


                                 BlackpowderX
                                 SerbukhitamX

                            ProcessI    Add hydrochloricacid, HCIsolution
                            Proses /    Tambah larutan asid hidroklorik, HCI


                                BluesolutionY             Processll
   Process III                  Larutanbiru Y             Prosesll
   ProsesIII
                                                           Solution + Silver
                                                                    Y
                  Solution + Sodium
                         Y           hydroxide,                   AgN()3
                                                           nitrate,     solution
                  NaOHsolution
                                                           LarutanY + Larutan
                  LarutanY + larutannatrium                argentumnitrat,AgNOs
                            NaOH
                  hidroksida,

                                                 \Mriteprecipitate
                                                  Mendakan putih



                                        Diagram5.1
                                         Rajah5.1



  (a)   Basedon Diagram 5.1,
        BerdasarkanRajah5.1,

        (i)      Name the black povrderX.
                 Namakan serbuk hitam X.


                                                                                   [1 mark]
        (ii)     Name process
                     the         l.
                 Namakan proses/.


                                                                                   [1 mark]




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         (iiD Writea balancEd
                            chemicalequation the reaction.
                                           for
                    Tuliskanpersamaan
                                    kimiayang seimbang
                                                     bagitindakbarasyangberlaku.


                                                                               t2 marksl
         (iv)   \Nhyis the blackpovrder addedin excessin the reaction?
                                      X
                Mengapaserbuk   hitamX ditambahsecaraberlebihan dalamtindak balasini?


                                                                               [1mar k ]
   (b)   Based process
              on       ll,
                   kepadaproses
         Berdasarkan          ll,

         0      Name process.
                    the
                Namakanproses /a.


                                                                                [1 markl
         (iD    Writethe ionicequation the reaction.
                                     for
                Tuliskanpersdmaan ionikbagitindak balasitu.


                                                                                [1 mark]
         (iiD   Howto obtainthe wtriteprecipilate the process
                                                in          ll?
                Bagaimanamendapatkan    mendakanputih dalam prosesini?


                                                                                [1 markl
  (c)    Based the process and process statethe cationandanionpresent solution
                on           1             lll,                            in
         Y.
                    proses I danproseslll, nyatakan
          Berdasarkan                              kationdan anionyang hadirdi datam
         larutan Y.


         Cation :                       Anion
         Kation                         Anion
                                                                               [2 marks]




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  Diagram showsan experiment investigate factorthat influences rateof reaction.
         6.1                to            a                  the
  Theexperiment repeated tinresat different
              is       five               temperatures.

  Raiah 6.1 menuniukkan suatuekspeimen unfuk mengkajisatu faktoryang mempengaruhi
  kadartindakbalas. Eksperimen diulangi
                             ini      sebanyak lima kalipada suhuyang berlainan.




                                       50 cm3of sodiumthiosulphate solution
                                       0.2 mol dm'3+ 5 cm3of sulphuricacid 1
                                       mo ld rn 3 .

                     :_                50 cm3larutan natrium ti\sutfat 0.2 mol
                                       dm's + 5 cm3 asidsulfurik 1 mol dma.



                                   Diagram6.1
                                    Rajah6.1

  Table6 shovr,s temperature timetakenfor "X' rmrk to disappear
                the            and                               fromviewwhen
  observed          fromthe top.
           vertically
  Jadual6 menuniukkan  suhu dan masayang diambit
                                               unfuktanda"X' hilangdaripandangan
  biladiperhatikan atas.
                  dari

                    Experiment    TemperatureoC Tinre/ s
                                            I
                    ERsperimen       /oC
                                  Suhu          Masa/ s
                          1            30.0        55.5
                          2            40.0        33.0
                          3            50.0        23.O
                          4            60.0        17.A
                          5            70.0        13.0

                                     Table6
                                     Jadual6

  (a) Stateone observation
                         fromthis experiment.
      Nyatakansatupemerhatian daripadaeksperimen
                                               ini.


                                                                                 [1 mark]




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   (b)   Complete chemical
                the        equation the reaction occurred.
                                    for            that
              pkan peraa aan kimia untuktindak baIas yang berlaku.
         Lengka        m


               +
         Na2S2O3 HrSO4 +
                                                                           [1 markl

   (c)   comparethe rateof reaction
                                  betueenExperiment and Experiment
                                                   1              5.
         Bandingkadartindak balasantaraEkspeimenI dan Experimen5.


                                                                           [1 mark]

  (d)          youranswer (c) using Collision
         Explain          in        the      Theory.
         Jelaskan                                    Teoriperlanggaran.
                 jawapdnandapada (c) denganmenggunakan




                                                                          [4 marks]




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  (e)   By using datain table6, drawthegraph temperature
                the                         of               timefor this
                                                       against
        experiment the graphprovided
                  in                below.

        Denganmenggundkan  data dalamjadual 6, lukiskangraf suhumelawanmasabagi
        eksperimen di dalamkerfasgrafyang disertakan bawah.
                 ini                                  di

                                                                          [1 mark]




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  (0    Diagram6.2 shov'lsa @nversationbetweenUmmu and Qistina-
        Rajah 6.2 menuniukkan perbualan diantara Ummu dan Qistfna.


          When I placed a small sized               ButUmmu,    whenI placed
          egg in boilingraaterat 100oC,             sarrp sizedegg in hotwater
          it becomehard boiledwithin                at 70oC, took me a much
                                                             it
          12 minutes.                               longer timethanyours.

          Apabila saya meletakkan sebiii            TapiUmmu,apabilasaya
          telur bersaiz kecil ke dalam air          meletakkan teluryang sarna
          mendidih pada 10fC, ia                    saizke dalamair panas
          menjadi keras dalam temPoh                pada 70"C,ia mengambil
           12 minit.                                     lebihlama daripada
                                                    ,??asa
                                                    awak




                                             Diagram6.2
                                              Raiah6.2

        Threestudents                                        temperatures prepare
                     aboveare investigating effectof different
                                          the                             to
                 eggs.Based the conversation
        hardboiled          on                 above,                    between
                                                      statethe relationship
        temperature timetakento prepare
                   and                             egg.
                                          hardboiled

        Tiga pelajar atassedang
                   di            meng4ajikesan  suhuyang berlainan atasteluryang
                                                                  Re
        direbus.Berdasarkan          diatas,nyatakan
                             perbualan               perkaitanarfara suhu denganmasa
        yang diambil untuk menyediakantelur rebus.




                                                                                 [2 marks]


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                                    SectionB
                                   Bahagian B


                                    l2Omarksl
                     Ansr,rier one question
                            any           fromthis section.
                 Jawab mana-manasatu soalandaripada bahagianini.


    (a) A student
                wantsto carryout an experirnent electroplate ironkeywith silver.
                                              to           an
        Seorangpelajaringinmenjalankan satu eksperimenuntukmenyadursatu kuncibesi
        denganargentum.

        (i)                         and electrolyte mustbe usedto carryoutthe
               Statethe anode,cathode             that
               experiment.
                                               yang mestidigunakanuntukmenjalankan
               Nyatakananad, katoddan elel<trolit
               eksperimentersebut.
                                                                          [3marks]
        (ii)                        for
               Writethe half-equations the reaction the anodeandthe cathode.
                                                  at
               Tuliskansetengah persamaan bagitindakbalasdi anoddan katod.

                                                                          [2marks]

        (iiD           two
               Suggest vralBto obtain smooth
                                        a     and beautiful      of
                                                          coating the ironkey
               withsilver.
               Cadangkan dua cara untukmemperolehpenyaduranargenfumyang rata
               dan cantikpada kuncibesi.

                                                                          [2marks]




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    (b)   Diagram showsapparatus
                  7                                                of
                                  set-upusedto investigate reaction metal
                                                         the
          displacement its salt solution somemetals
                     from              by            and                obtained
                                                         the observations
          fromthe experiment 1 minute.
                           in

           Rajah7 menunjukkansusunanradas  yang diguna4an untukmengkaiitinda?belas
           penyesaranlogam daripadalarutangaramnya oleh beberapaienislogamtertentu
          'dai                                             dalamtempah1 minit.
                         yang di perotehdaripadaeksperimen
               pemerhatian


                                                                           Chemical
                                                                          formulafor
                         Apparatusand observationafter I minute             product
                         Alat radasdan panerhatin selepasI minit           aqueous
                                                                            solution
                                                            Brown solid
                                                            deposited
                       25 cmsof 0.1 mol                     Pepejal
                                                            perang         Pz(SOa)g
                               solution
                        sulphate                            terenap
                         25 cmslarutan
                                                            MetalP
                        kuprum(ll)sulfat
                          0.1moldm'"                        LogamP

                                                            Brownsolid
                       25 cm3of 0.1 nrol
                       drn3of coppe(ll)
                       sulphatesolution

                         25 cmslarutan
                        kuprum(ll) sulfa!
                           0-1moldm''



                        25 cm3of 0.1mol
                       dm3of Q sulphate
                                solution

                         25 cmslarutanQ
                        sulfat moldma
                             A.1




                                                 Diagram7
                                                  Rajah7


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        (i)           on           givenin Diagram compare differences
               Based the infornution               7,         the
               between:
               Berdasarkanmaklumatyang diberikan                       perbezaan
                                                dalam Rajah7, bandingkan
               di antara:

                  .             I and
                      Experiment ll,
                      EksperimenI dan Il,

                  r            I and
                      Experiment lll.
                                t
                      Eksperimen dan lll.

                     youranswer termsof:
               Explain        in
                       jaunpanandadarisegi:
               Terangkan

                  r          in
                      Position the elecfrochemicalseries.
                               n
                      Keduduka dalam sirieleldrokimia.

                  o Observation allthree
                               in         experiments.
                    Pemerhatian dalam ketiga-tigae kspe men.
                                                      ri

                                                                            [8 marks]
        (iD           metalP andQ.
               ldentify
               Kenal pastilogamP dan Q.
                                                                            [2 marks]
        (iiD                                 copper(ll)
               ln experiment 25 cm3 0.1moldm-3
                            ll,    of                sulphate      react
                                                            solution
                         with
               completely metalQ.
               Calculate massof copper
                        the           produced.

                                 !!,
               Dalam eksperimen 25 cms larutan                             bertindak
                                                kuprum(tt)sulfat0.1 mol dm-3
               balaslengkapdenganlogamQ.
               Krakan jisim kuprumyang terbentuk.

               [Relativeatomicrrnss:Cu = 64]
               lJisim atomrelatif:Cu = 641

                                                                            [3 marks]




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    (a) A covered jar contains molof ammonia
                gas            1.5            gas,NH3.
        Satubalang gasbertutupmengandungil.Smolgas ammonia,NH3.

          Howmanyammonia   molecules therein the gasjar?
                                   are
          Berapakah
                  bilanganmolekulammonia dalambalang gas tercebut?
                                        di

                                                                          [2 marks]

    (b)   Urea,CO(NH2)2,?rrltTlonium
                                   nitrate,
                                          NH+NOs hydrazine,
                                                  and               are
                                                               N2Ha fertilizers
                                                                              that
          are used in agriculture.
                                 \Mich fertilizerhas the highest percentagemass of
          nitrogen?

          Urea, CO(NH)z, ammoniumnitrat, NHNO1 and hydrazin, Nzltaadalah bajayang
          digunakan dalam pertanian. Baja yang manakah mengandungi peratusjisim
          nitrogenteftinggi?

                                                                          [4 marks]
    (c)   Diagram shorne electron
                  8.1      the       arrangement molecules and B.
                                                 of         A
          Rajah8.'l menunjukkansusunaneleldronbagimolekulA dan B.




               eO eO
                        A

                                        Diagram8.1
                                         Rajah8.1

          Elased diagram
               on        8.1:
          Berdasarkan
                    rajah8.1;

          Statethe typeof covalent
                                 bondin eachrrcleculeand explainwhy.
          Nyatakanjenis ikatankovalendalam setiapmolekuldan terangkanmengapa.

                                                                          [4 marks]




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    (d)          8.2
          Diagram shorars formula trapdifferent
                          the       of           compounds.
          Rajah8.2 menunjukkanformulabagidua sebatian
                                                    berbeza.




                               KzO                      SOe
                                             Diagram8.2
                                              Rajah8.2

               on
          Based Diagram 8.2:
          Berdasarkan
                    Rajah8.2:

          (i)   Compare contrast two compounds termsof physical
                           and          the               in                  statesat room
                temperature,          point,
                               rnelting     electricalconductivity solubility water.
                                                                 and          in
                Bandingdan bezakedua-duasebatian       dari segi keadaanfizikalpada suhu
                bilik, takatlebur, kekonduksianelektrikdan kelarutandalamair.
          (iD         the
                Explain differences the melting
                                   of          pointfor the tvr,rc
                                                                compounds.
                Terangkanperbezaantakatleburbagikedua-duasebatian.

                                                                          ,      [10marks]




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                                       Section C
                                      Bahagian C

                                      BOmarksl
                      Ansvr,er onequestion thissection.
                            any          from
                  Jawab mana-manasatu soalandaripadabahagianini.


I   (a) Diagram showsa structuralformulabutene,
               9.1                       of
        Rajah9.1 menunjukkan
                           formulastrukturbagi butena.



                                      H    H    HH
                                      llrl
                               H- C- C- C:C- H
                                      tl
                                      HH
                                             Diagram9.1
                                              Rajah9.1

        Drawanother structural
                   two              of
                             formulae butene writetheirrespective
                                            and                 names
                to
        according the IUPACnomenclature.

                                lain
        Lukisdua formulastrul<tur bagi butenadan tuliskannama masing:masing
        berdasarkan penamaan  IUPAC.

                                                                         [4 marks]
    (b) Diagram shows structural
               9.2      the                 of
                                    formula an ester.
        Rajah9.2 menunjukkanformulastrukfurbagisuatuesfer.

                              HHOHH
                              tti l                  tl
                         H -C - C- C- O- C- C- H
                               rttl
                              HHHH

                                             Diagram9.2
                                              Rajah 9.2




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        Based diagram
             on        9.2:
        Berdasarkan
                  rajah 9.2:

        (D ldentify tvrrc
                  the    organicchemicals needed produce esterabove.
                                                to         the
           Kenalpastidua bahan kimia organikyangdiperlukanunfuk menghasitkanesterdi
           afas.
                                                                           [2 marks]
        (iD Statetwo chemical
                            properties eachorganic
                                     for         chemicats you statedin
                                                         that
            e(bxD.
            Nyatakandua sifatkimiabagisefiapbahankimiaorganikyang andanyatakan
            datam9(b)(il.

                                                                             [4 rmrksl
   (c) You are givenan apparatus chemicals follow:
                                and         as
       Anda diberikanalat radasdan bahan-bahan
                                             kimia sepefti
                                                         berikut

         Apparatus: tube,dropper.
                  test
         Radas;tabunguji, penitis

         chemica Bromine trichlo
                ls:         in   roetha acidif potassium nganate(vl
                                       ne,     ied         ma          l)
                    solution
         Bahankimia:bromindalamtrikloroetana,
                                            larutankaliummanganat(Vtl)berasid

        Describe chemical
                 two         testsusingthe apparatus chemicals
                                                    and          givenaboveto
        differentiate
                    between hexane  and hexene.
        Yourdescriptionmustinclude procedure observation.
                                    the         and
        Huraikandua uiian kimia menggunakanalat radasdan bahan kimiayang diberikandi
        atasuntukmembezakan     antara heksanadan heksena.
        Dalamhuraiananda mesiti  diseftakanprosedurdanpemerhatian.

                                                                            [10marks]




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10    (a) Diagram10.1showsthe apparatus
                                      set-up a voltaic
                                            for       cetl.
          Rajah 10.1menunjukkansusunanradasuntuksafase/ voltan.




                 MetalA                                            Copper
                LogamA                                             kuprum

      Aqueoussolution
                    AYz                                          Aqueous        CuY2
                                                                         solution
       LarutanakueusAYz                                           Larutanakueus CuYz
                                         Diagram10.1
                                          Rajah10.1

          MetalA is rnoreelectropositive copper.
                                       than
          Suggest one possible cationfor X2*ion.
          LogamA lebih eleffiropositif
                                     daripadakuprum.
          Cadangkansatu kationyang mungkinbagiion **.

          Basedon the elec{rode factorwhichaffeits the selec{ive
                                                               discharge ionsat the
                                                                        of
          electrode,
          Berdasarkanfal<torelel<todyang ma,nakah  mempengaruhi  pemilihan yang
                                                                           ion
          dinyahcaspada eleldrod,

          (D Writethe halFequation the reactionat the electrode metalA.
                                 for                            of
             Tuliskansetengahpersamaan  bagi tindak balasdi elel<todlogamA.

                                                                            [3 marks]
          (iD Statethe $pe,of reaction the anode.
                                      at
              Nyatakan jenistindak balasdi anod.

                                                                              [1 markl




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     (b)                  the     of
           Table10.1shotnrs result chemicaltests to change solution and
                                               used        the        X
           Solution Y.
                                keputusan
           Jadual 10.1menunjukkan       ujiankimiauntukmenukarkanlarutanX dan
           larutan Y.

              Experiment                Procedure                Observation
              Eksoerimen                 Prosedur                Pemerhatian

                              Bromine urater addedintoX
                                           is
                                     and
                              solution warmed.    Sodium
                              hydroxide        is
                                       solution addedinto      Green precipitate
                              mixtureuntilexcess.                  formed
                                                               Mendakan hijau
                              Air brominditambahkan dalam
                                                     ke            brberrtuk
                              larutanX dan dihangatkan.
                                     n
                              Laruta natrium hidro ksida
                                           Re
                              ditambahkan dalamcampuran
                              sehinggaberlebihan.

                              Zinc pourder addedintosolution
                                            is
                                                 is
                              Y andthe mixture shaken.
                              Sodiumhydroxide             is
                                                 solution then
                              addedintothe mixture    until
                              excess.                          Brown precipitate
                                                                   formed
                              SerbuKzink   ditambah dalam
                                                     ke           Mendakan
                              larutan Y dan digoneangkan       perang terbentuk
                               si,ehgga tiada perubshd tr.
                                   in
                                      n
                              Laruta natriumhidroksid   a
                              ditambahkan sehingg berlebi an
                                                    a        h
                              ke dalam campuran.


                                           Table10.1
                                           Jadual10.1

                on
           Based Table10.1:
             o ldentify solution andsolution
                       the            X            Y.
             o Statethe reducing     agentin experimentandoxidising
                                                       I           agentin experimen
                ll andgiveone reason eachof yourchoices
                                          for                 based the changes
                                                                   on             of
                oxidationnumber.
           BerdasarkanJadual I 0.I :
              o Kenalpasti larutanX danlarutanY.
              o Nyatakan  bahanyangbertindaksebagai      agenpenurunan  dalam
                 eksperimen dan agenpengoksidaan
                            I                         dalam eksperimen serta beri satu
                                                                      ll
                 sebabuntuk setiap    pilihananda berdasarkan
                                                            perubarhannombor
                 pengoksidaan.

                                                                            [ 6 marks]

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     (c)
                             Chlorine goodoxidizing
                                     is           agent.
                        Korin adalahagen pengoksidaan
                                                    yang baik.


           You are giventhe followingapparatus:
           Anda dibeikan alat-alatradasberikut:

           U-tube, galvanometer,                      dropper,
                                         wires,stopper,
                                connecting                   carbonelectrodes   and
           retortstandwith clamps.
           TiubU, galvanometer, wayarpenyambung, penyumbat,penitis,elektrod-eleldrod
           karbondan Rakiretot dan pengapit.

           Suggest suitable
                  a        chemicaland         an
                                       describe experiment verifythe above
                                                             to
           statementusingthe givenapparatus.
           Cadangkanbahan kimiayang sesual dan huraikan satu ekspertmenuntuk
           mengesahkan  pernyataan atasdenganmenggunakan radas
                                  di                         alat     yang diberi.

                                                                          [10marks]


                              ENDOF QUESTTON PAPER
                               KERTASSOATA/\'TAMAT




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Nama:                                                     Tingkatan
                                                                  :




                       JABATANPELAJARAN
                                      NEGERI
                                           JOHOR



PEPERIKSAAN
          PERCUBAAN 2011
                  SPM
CHEMISTRY                                                               454t
                                                                           t3
     3
Kertas
September

1%jax                                                     Satujamtigapuluhminit



           JANGAN
                BUKAKERTAS     INI
                         SOALAN SI|IilI'{GGADIBERI.TATIU

   1. Tuliskan              pada
             namadantingkatan
      ruangyangdisediakan.                        UntukKegunaanPemeri
                                                                    ksa
   2. Keftas     ini
           soalan adalah
                       dalam                     Soalan Markah Markah
      dwtbahasa.                                        Penuh Diperoleh
   3. Soa/an
           dalamBahasalnggerts
      mendahului    yangsepadan
               soalan                              1       18
      dalamBahasaMelayu.
   4. Calondibenarkan
                    menjawab
      kesel
          uruhanafausebahagian
                             soalan                a       15
      samaadadalamBahasa lnggeris
                                atau
      BahasaMelayu.
                                                   3       17
   5. Calon         membaca
           dikehendaki
      maklumat halaman
               di             kertas
                       belakana
      soalanini.                                 JUMLAH




     Kertas
          soalan
               inimengandungihalaman
                          13       bercetak t halaman bercetak.
                                         dan        tidak



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    1 Table 1 shows the observations three test tubes used to investigate effectof
                                      in                                 the
      other metals on rusting.A mixtureof jelly solution,potassiumhexacyanoferrate(lll),
      K3Fe(CN)6solution and phenolphthalein were used as mediumin each test tube. The
      observationsluererecorded afterone week.

        Jadual I menunjukkanpemerhatian dalam tiga buah tabung ujiyang digunakan untuk
        menyiasat kesan logam lain ke atas pengaratan. Medium yang digunakan di dalam
        setiap tabung uji adalah campuran larutan agar-agar, larutan katium
        heksasianoferat(lll), KsFe(CN)6dan fenalftalein. Pemerhatian direkod se/epas safu
        minggu.

         Testtube                                        Observation
         Tabunq uii                                      Pemerhatian

                                                         1 week
                                                         1 minggu
                                                4
                                                --F\__



                                         lron nailcoiledwith copperstrip
                                             Paku besi dililit dengan
                                                kepingan kuprum



                                                         1 week
                                                         I minggu
              tl
                                          lronnailcoiledwithzincstrip
                                             Paku besi dililit dengan
                                                kepingan zink



                                                         1 week
                                                         I minggu

             ill                                -

                                                          lronnail
                                                         Paku besi



                                               Table 1
                                              Jadual I

       ReferenceiPetunjuk:lE*l  Blue spot I tompokbiru
                          r.TFf Pink spot I tompok merahjambu




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                                                                                                          I
                                                                                                          I
                                                                                                 E^F

         (a) Stateone inference eachtesttubesl,.lland l1l.
                              for                                                            Examinefs
             Nyatakansatu inferensuntuksetiaptabung uiil, tl dan lll.                          Use


             Tesltube l:
             Tabungujil:




             Testtubell:
             Tabung It:
                    uji




             Testtubelll:
                    uji
             Tabung IIt:                                                                         1(a)



                                                                                             tE
         (b) Forthisexperiment,state:
                           ini,
             Bagi eksperimen nYatakan:

              (i)                variable.
                    Thenunipulated
                    "
                    Pembo bah dimaniPYI si.
                         lehu          a




              (iD The respondingvariable.
                                       k
                  Pem boleh bah bergera b alas.
                          u




                              variable.
              (iiD The constant
                   Pembolehubahdimalarkan.
                                                                                                   1(b)



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   For
Examiner's   (c) Statethe hypothesis theexperiment.
  Use
                                    for
                 Nyatakan hipofesls
                                  bagi eksperimen
                                                tersebut.



 1(c)



m
             (d) State the operationaldefinition the rustingof iron nail.
                                               for
                 Nyatakan defrnisi secara operasibagi pengaratanpaku besi.




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         (e) Diagram1 showsthe apparatusset-up an experiment.
                                              of                                                  rof
             Rajah 1 menunjukkansusunanradasbagi satu ekspeimen.                                Examiner's
                                                                                                  Use




                                               Jellysolution Larutanagar-agar
                                                            /
                                                                +
                                      potassium hexacya nofenate(ll K3Fe N)6solution
                                                                  l),       (C
                                        Iarutan kaIium he ksa anoferat(ttI), KsF CN)a
                                                              si               e(

                                                   Phenotphtha I fenotftatein
                                                             tJin


                                            lronnailcoiled   withleadstrip
                                           Paku besidililit dengankepingan
                                                     plumbum


                                               Diagram1
                                                Rajah I



            Predict observation the experiment
                  an          for               aftera ueek.
            Ramalkansatu pemerhatiandaripada eksperimen selepassatuminggu.
                                                        itu
                                                                                                 1(e)



                                                                                               [E
                                                                                                 Total
                                                                                                  1
                                                                                               l1 |
                                                                                               I        ._ |




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  Fd
Examiner's               2       the
               Diagram shovra apparatus upforanexperimentdetermine endpoint
                                             set               to     the       of
  Use
                       in
               titration neutralisation
                                      reaction.
                      2
               Rajah menunjukkan     susunanradassatuekspeimen menenfukan akhir
                                                             bagi       takat
               pentitratan dalamtindak    peneutralan.
                                      balas



                                                   Burette
                                                   Buret




                                                   Hydrochloricacid
                                                   Asidhidroklorik




                                                       tlask
                                                 Conical I kelalang
                                                                  kon
                                                        of
                                                  50cm3 1.0rnol    dm-3sodium hydroxide
                                                         +
                                                  solutionphenolphthalein
                                                  50 cm3larutan  natium hidroksida moldm-3
                                                                                 1.0
                                                  + fenolftalein


                                                      Diagram2
                                                       Rajah2

                       two observations youcould
               (a) State             that           during experiment.
                                               obtain    the
                                      yang
                    Nyatakan pemerhatian boleh
                           dua                andadapatisemasa
                                                            eksperimen.
                    ,l

  2(a)


[E                  2.




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                                                                                            For
     The experiment repeated
                     is        threetimesand the volumeof hydrochloric  acid usedfor      Examiner's
     each set is shownin Table 2.                                                           Use
     Eksperimenitu diulangtiga kali dan isipaduasidhidroklorikyang digunakanbagi setiap
     set ditunjukkanpada Jadual 2.

           Set                       reading
                               Initial                         Finalreading
           Sef                 Bacaanawal                      Bacaanakhir




            I



                                              ...cm'                        ,..cm'




            II



                                              .... cm3                    ......cm3


            ilt




                                               ,..cm'                        ...cm'

                                             Table 2
                                             Jadual 2

     (b)   Record burettereadings the spacesprovided Table 2.
                 the              in                  in
           Catatkanbacaanburetpada ruangyang disediakandalam Rajah2.

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  For
Examinels       (c)    Constructa table to recordthsdata from sets l, ll and lll.
  Use                                                                             The table shouldinclude
                       the initialreadlng,final readingand the volume of hydr,ochloric
                                                                                       used in the          4
                                                                                                                14
                       titration.
                       Bina satujadual untuk merekod data bagisetl, ll danill itu.
                                                                                    Jadual tersebut
                       hendaklah mgngandungi bacaan awat, Sacaanakhir dan iipiii.asia
                       yang digunakan dalam titratan.                                         hidroktorik
                                                                                                            W   1I
                                                                                                                 /
                                                                                                                t4
                                                                                                                /-

                                                                                                            t/v
                                                                                                              l/rl
                                                                                                                rht
2(c)
                                                                                                            r-r      I

rtr            (d)    The chemicalequationfor the reactionis shown below:
                                                                                                                     ry
                                                                                                                     lft
                      Persamaankimia tindak balasditunjukkandi bawai:"'                                              N'  '1

                                      HCI + NaOH -,           NaCl + HzO
                      calculate the average,vorume hydrochroric
                                                 of           acid, HCrneededto neutrarise
                      50 cm3of 1.0 mol dm-3sodiumtryciroxiOe,             --
                                                           NaOH ,of uiion.
                      Hitungkan isipa6.rl                      orik,i c i vii g'j iperrukan untu
                                        pq!?tagagi aii d hidrokr
                      meneutrarkan.s0rarutan                                                    k
                                       cm"       natrium    hidroksida mitd;-i, N;oH.'--'
                                                                      t.o
2(d)



m

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                                                                                            ror
    (e)   During titration
                 the         process,                   between concentration
                                    statethe relationship      the                        Examiner's
                                                                                            use
          hydroxide OH-in sodium
                     ion,             hydroxide,NaOHsolutionwithtimeuntiltheend
          pointof titration.
          Semasa prosespentitratan,nyatakanhubunganantarakepekatanion Ol-f dalam
          larutansodiumhidroksida,NaOHdengan masasehinggatakat akhirpentitratan.




                                                                                           2(e)


                                                                                      m
    (f)   Classify following
                 the         acidsintomonoprotic,      and
                                                diprotic triprotic acid.
          Kelaskanasid-asid                            diprotikdan triprotik.
                           berikutkepada asidmonoprotik,




                       Hydrochloricacid         Sulphuric acid
                       Asidhidroklorik          Asid sulfurik

                       Ethanoic acid                 acid
                                                Nitric
                       Asid etanoik             Asidnitrik

                       Phosphoric  acid
                       Asid fosforik




                       acid
              Monoprotic                         acid
                                          Diprotic               Triproticacid
              Asidmonoprotik              Asiddipratik           Asid triprotik


                                                                                            2(f)

                                                                                      r-;
                                                                                      I       l3 l


                                                                                            Total
                                                                                              z



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         Diagram shorus
                 2       some samples battery.
                                     of      Battery a voltaic thatcanbe built
                                                    is         cell
         using trruo
              any    different    and
                            metals suitable electrolyte.
         Raiah2 menuniukkan heberapacontohbateri.
                                                Bateriialahse1'enr.s     yang
                                                                  setkimia
         bolehdibina
                   mengguna&an          dua
                                sebarang logamberlainan elektroft
                                                           dan        yang sesuai.




                                           Diagram 2
                                            Rajah2

         Voltmeter
                 reading voltaic depends thepairof metals
                         of     cell       on           usedas electrodes.
         Bacaanvoftmeter selRimia
                                bergantung    pasangan
                                         kepada      logamyangdigunakan
               eleltrod.
         sebagai

              a
         Plan laboratory                                pairs metalproduce
                         experiment investigate different
                                  to         that            of
         different
                voltage a voltaic Yourplanning
                        of       cell.           should
                                                      include following
                                                             the       aspects:
         Rancang  safu ekspermen untuk menyiasat
                                               bahawa pasangan  logamyang berbeza
         menghasilkanvoftan se/ kimia yang herbeza. Perancangan anda hendaklah
         mengandungi aspeft-asp berikut:
                              ek

         (a)     Problemstatement
                 Pernyataanmasalah

         (b)     Allthevariables
                 Semua  pembolehubah

         (c)     Hypothesis
                 Hrpofesrb

         (d)     Listof material apparatus
                              and
                 Senarai bahandanalatradas
         (e)     Procedure
                 Prosedur

         (t)              of
                 Tabulation data
                 Penjadualandata
                                                                        117marksl
h                                                                      [17markahl


t
                                 E HDOFQUE S T I OP A P E R
                                                  il
                                 KERIAS SOALA,\, TAMAT
I

I   4541/3 o 2011HakCiptaJabatanpelajaran  Johor
                                      Negeri
                              http://edu.joshuatly.com/
                                                                             S U LI I
          JABATANPELAJARAN     JOHOR
                          NEGERI




                             JOHOR2011
                  SETARANEGERI
          PERCUBAAN
PEPERIKSAAN

         SKEMAPEMARKAHAN

              CHEMISTRY

                PAPER1

                PAPER2

                PAPER3




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                    JU LANGJOHOR2011
                        CHEMISTRY
                         PAPERT
                         ANSWER

QUESTION   ANSWER                    QUESTION   ANSWER
  1          A                          26        A
  2          C                          27        B
  3          A                          28        c
  4          B                          29        B
  5          B                          30        C
  6          B                          31        c
  7          A                          32        B
  8          D                          33        D
  I          A                          34        A
  10         D                          35        A
  11         D                          36        A
  12         A                          37        c
  13         c                          38        B
  14         D                          39        D
  15         c                          40        c
  16         D                          41        B
  '17        c                          42        D
  18         D                          43        B
  19         c                          4         c
  20         A                          45        D
  21         B                          46        B
  22         c                          47        D
  23         A                          48        B
  24         c                          49        A
  25         B                          50        D




                 http://edu.joshuatly.com/
        No.                           Mark scheme                 Sub      Total
                                                                  mark     mark
 2 (a) (i)        z                                                1
          (ii)    U                                                1
          (iii) W                                                  1        3
 (b)      (i)     2.8.1                                            I
          (ii)   X*                                                1
                                                                            2
 (c)      (i)    Theyhavesamenumber shellsnbOloccupieO
                                  of                 witn          1
                 electrons

          (ii)   x , Y , z il x > Y > z                            1        2
(d)       (i)
                 4 X+ O ,   -* 2XzO ll
                 2 X + T "Q, + XeO                                1+1
                 Conectreactants products 1
                               and      -
                 Conectlybalance 1
                               -                                            3
         (ii)
                 Zz + HrO     ---+ HZ +   HOZ                      1

                                                             Total         10
                                                             Mark

   No.                               Markscheme                    Sub     Total
                                                                   mark    mark
3 (a)            Melting                                               1    1
3 (bxi)




                                      http://edu.joshuatly.com/
                Correct
                      axiswithunits                                   4
                                                                      I

                      graph and90oC stated
                Correct             is                                1


3(bxii)        Themolten is stirred
                       X          continuously
                                            throughout
                                                    the               1
               experiment

       (iii)
                                                Thermometer

                                                Boiling
                                                      tube




                                            MoltenX

                                                Conicalflask


               Labelleddiagram                                       1i
               Conect and func{ionalapparatus                        1l    5

3(c)           Because atomconsists an equalnumber
                        an           of          of                  1     1
               electronsand protons.

3(d)           80                                                    1     1
                Br
               35
3(eXD          Atoms of the same elementwith the same numberof       1
               protons / proton number but different number of             2
               neutronV nucleonnumber

3(eXii)        Use in phosphate
                              fertilizers to studythe metabolism
                                        //                     of     I
               phosphorus plants
                          in
                                                              Total mark   10




                          http://edu.joshuatly.com/
                                         Section A




  (a) (i)     Haber                                               1
     (iD     Nitrogenand Hydrogen                                 1
     (iii)   To get a betteryield                                 1
     (iv)    1. To make fertilisers
             2. To produce nitric acid                          1+ 1
 (b)
                               Curesorethroat
                               Merawatsakittekak
                               Treatskin wounds
                               Merawatluka kulit

                                                                 1
(c) (i)      Paracetamor                                         1
                     lI
   (ii)      Codeine/ 3-methytmorphine                           1

                      /
             Addiction depressionnausea vomiting itching
                                 /         /        /      /
                        /
             drowsiness dry mouth / orthostatic hypotension
                                                          /
             urinaryretention miosis / constipation
                            /
  (iiD       Activatelevelof alertness //
             Reduce  normalfatigue ll
             Elevatemood  l/
             Stimulateactivity brain centralnervous
                              of      /           system.




                                                               Total   10
                                                               mark




                           http://edu.joshuatly.com/
-
:




                        MarkScheme                           Sub    Total
                                                             Mark , Mark
                                                                      :
    Heatreleased when1 moleof metal displaced its
                                  is        from
    saltsolution a moreelectropositive
               by                   metai.                     44
                                                               t't:
                                                                      ai


    a: heatchange

    exothermic

    1. Brorrvn
             soliddeposted.
    2. Thecolour solution
                  of      change fromblueto lightblue/
       colourless.
    3. Container becomeshot
    4. Massof zinc decreased
    5. Sizeof zincbecomesthinner
       [Anytwo]
         Energy



                              AH = -190 kJ mofl
                               ZnSOa+ Cu




       o Conecttwo energylevelsand axislabeledenergy.
       . Conectreactants,
                        products valueof AH.
                                and


    No.of mofe     (0.2\(25]' 0.005
              CUSO+=       i/      mol
                     1000

    Heatenergy      =
             released 0.005motx 190kJ mol'1il
                    = 0.95kJ / 950J

    1. Valueof AH more higher
                      /     than-190kJ.
    2. Magnesium moreelectropositive
                 is                      zinc
                                   compare in
      electrochemical
                    series/l
      Distancebetween           and
                      magnesium copper further
                                     is
      thanthe distance       zinc
                     between andcopperin
      electrochemical
                    series.




                                                         Total mark




                    http://edu.joshuatly.com/
 No.                             Mark Scheme                   Sub      Total
                                                               Mark     Mark

5 (aXi) Copper(ll)
                 oxide                                              1        1


       (ii) Neutralisation                                          1        1


   (iiD Conectreactants products
                      and                                           4
                                                                    t     2
                  the
           Balance equation                                         1

                2 H C l+C u O)C u C l 2   + HzO


   (iv) To complete reaction
                  the                                               1     1


5(bXD DoubleDecomposition Precipitation
                        /             reaction                      1     1


    (ii)    A g"+Cl-)A gCl                                          1     1


   (iiD Filtration                                                  1     1


 (c)       Cation : Cu2*                                            1
           Anion : Cf                                               1     2

                                                           Total mark    10


 No.                             Mark Scheme                   Sub      Total
                                                               Mark     Mark
6 (a)      Yellowprecipitate                                    1         1

  (b)            +      NazSOe+ + HzO+ SO,
           NazSzOgHzSO+-+     S                                  1       1

  (c)      1. Rateof reaction Eiberiment is hiqher
                            for         5        than            1       1
              Experiment (orviceversa).
                        1

  (d)                     in
           1. Temperature Experiment is higher.
                                     5                          1
                        energy the particles higher.
           2. The kinetic      of           is                  1
           3. Thefrequency collisions
                            of                 H*
                                     between ionsandSzOr  2-
              ionsincreases                                     4
                                                                 I

           4, Thefrequency effective
                           of       collisions increases.       I
                                                                    I
                                                                         A




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             Temperature/oC




                                              Time/s
  (0              The higherthe temperature
                             the
                  the shorter timetakenfor the eggto becomehard-
                  boiledllvice versa




                                         Section B

No,                                   Mark Scheme                    Sub    Total
                                                                     mark   Mark
7(a) (r)      Anode:Silver(rod/foil)                                  1
              Cathde: lron key                                        I
              Electolyte:Silvs nihatesolution                         1      3

       (iD    Anode : Ag +Ag' +s                                      1
              Cathode: A g'+e*A g                                     1      2

       (iiD 1. Usea smallelectricalcurrent
                                      of
            2. Uselow concentration the silvernitratesolution.
            3. Turn the iron key slowlyduringexperiment.
            4. Cleanthe ironkeywithsandpaper                 out
                                                beforecarrying
            experiment.                                               2      2

              Any two

7(b)   0                    I
                   Experimentand ll
              I

                  1. Rateof reaction in   2. MetalP is more
                               I
                     experimentis higher     electropositive
                     llThe reactionin                  with
                                             compared metal          1+1
                     experiment is faster
                               I             Q in the
                                                            series
                                             elec'trochemical




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               I 3. Deposit brown
                           of                      Distancebetween
                                              A
                                             -.
                                                                           1+1
               I        is
                    metal morein                   metals and Cu is
                                                          P
               I
               I      exp€r;menl
                               I                   furtherthan metalQ
               i      comparedwith                 and Cu in the
               i      experiment
                               ll                  electrochemicalseries

               Experiment and lll
                        I

                         Comoarison              Exolanation
                   5. Thereis a reaction
                                       in6. MetalP is more
                      experimentand no
                                 I           electropositive
                      reaction
                             in              compared copper
                                                       with                1+1
                      experiment lll         metalin the
                                            electrochemical  series
                   7. Thereis brown      8. MetalPis placed
                             in
                      deposit experiment     higherthancopper  in
                      I andno deposit
                                    in      the electrochemical
                      experimentfll         seriesl/ Coppermetal
                                            is placedbelowmetal
                                            R in the
                                            electrochemical series
                                            Il metalP is more              1+1       I
                                            electropositivethan Cu
       (ii)   MetalP :Aluminium,    Al
              Me ta l Q:Z n l F e /S n                                      1
              r: Pb                                                         1        2
       (iiD Molof CuSO+      =
                      solution t0.1\{€SI ll 0.0025mol
                                            1000                            1

              Ratio 1 molofCuSO+
                   :            produced molCu
                                        1
                     0.0025 of CUSO4
                           mol      produced
                                           0.0025 Cu
                                                 mol
                                                                           1
              Massof copper = 0.0025 molx 64
                            = 0 .1 6
                                   g                                                3
                                                                            1
                                                                     Total mark 2A

No.                                  Markscheme                             Sub Total
                                                                            mark mark
8(a)                             =
              The number molecules 1.5i6.0ZiT0F
                       of                                                    1    2
                                 = 9.03x 1023                                   1
8(b)          Urea,CO(NH2)2

                  2n4\                   xl}Oo/o = 46.670/o                     1
              12 + 16 +(14+2)2




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              Ammoniumnitrate,
                             NH4NO3

                    2(14],             x 100o/o= 35.0olo                 1
              14 +4 +1 4 +3(16)

                       N2Ha
              Hydrazine,

                     zfi4\         x   lA9o/o = 87.5o/o                  4
                                                                          I



                        +
                   2(14) 4(1)
              Hydrazine the highestpercentage
                      has                   massof nitrogen              1     4

8(c)          1. Doublebond                                              1
                 Formed whentwo pairsof electrons sharedbetween
                                                are
                 two non-metalatoms.                                     1

              2- Triplebond                                              1

                 Formed whenthreepairsof electrons shared
                                                 are
                 behreentwo non+netalatoms.                              1     4

8(d) (i)
                    Compound              KzO              SO,
               1 Physicalslateat       Solid              Gas
                 roomtemoerature                                        1+ 1
               2 Meltingpoint          High             Low
                                    Accept:A melting  pointof KzO       1+1
                                    is hiqherthan SO,
               3 Eledrical          Ganconduct Cannot
                 conductivity       electricityin   conduct
                                    moltenor        elecficityin all    1+1
                                    aqueous   state physicalstate

               4    Solubilitv water Soluble
                             in                      lnsoluble          1+1    8

                    can            formto showcomparison.
              Answers be in sentence
 (d)   (ii)   KrO:
                                                             than
                                         ionsin KzOis stronger
                                   between
              1. forcesof attraction
                  SO,
              2. moreheatis needed overcome breakthe attraction
                                     to       /                          1
                  force
              ll viceversafor SOz                                        1     2

                                                                 Total mark    20




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                                          9


                                      Section G

No.                                 Mark Scheme                        Sub Total
                                                                       Mark Mark
9(a)

                     HHHH
                      tltl
                H - C - C :Q-C -H                    But-2-ene
                      tl                                               1+1
                     HH


                      HH
                      tl
                 H - C :C -C        - H
                             ll                   2-methylpropene ll
                        IH
                     H- C-H                       2+netfrylpropl-ene   1+1    4
                             I
                           H
(b)    0           acid, Ethanol
           Propanoic                                                   1+'t   2

       (ii) tAcceptif studentnamethe reactantsorthe productsl

           Chemical properties propanoic
                             for         acid:
                                     producesalt and hydrogen
            1. Reactwithreadive metral                       gas
               II
            2. Reactwithbasesproduce and waterll
                                      salt
                                  metalprduce salt, carbon
            3. Reactwith carbonates
                      gas
               dioxide and waterll
            4. Reactwithalcoholproduce ester
                                                                        1
           [Anytwo answers]                                             1

           Chemical properties ethanol:
                              for
            1. Undergo  combustion  produce               and
                                            carbondioxide water
               // Bumtin orygento produce  COzandHzO
            2. Undergo  oxidation produce carboxylicacidlethanoic
               acidIl Reactwith acidifiedKzCrzOtKMnOr to produce
               carboxylicacid
            3. Undergo  dehydration produce       /
                                            alkene ethene.
                                                                       1
            [Anytwo answers]                                           1      4


(c)
                             http://edu.joshuatly.com/
                  with bromine
           Reaction
                                             l0



                  1. Pourabout -5 cm"]of hexane a testtube.
                              [2               into
                  2. Add4-J dropsof bromine
                                          waterandshake.
                            any
                  3. Observe changes repeat
                                        and     withhexene.

               Observation:
                     brown
               Hexane:           remains
                            colour      unchanged.
                     Brown
               Hexene:      colours          / turncolourless.
                                   decolourise

                       with      potassium
               Reac'tion acidified       manqanate(Vl
                                                  l) solution

               Procedure:
                  1. Pourabout 2-5cm3 of hexane a testtube.
                                [       ]        into
                  2. Add 4-5 dropsof potassiummanganate(Vll)
                                                          solution
                     andshake.
                  3. Observe changes repeat
                             any          and     withhexene.

              Observation:
              Hexane:Purplecolourremainunchanged
              Hexene:Purplecoloursdecolourise.

              [Anytwo tests]



      No                            l/lark scherne                      Sub    Total
                                                                        mark   mark
10(aXD Sample
            answer:                                                      1
              MetalA: Magnesium/Mg

              Mg -+ Mgt* + 2e
              Readantand produc-t
                               conect                                     1
              Balance equation
                    the        conectly                                   4
                                                                           t    ?


       (ii)   Oxidation                                                   1     1

(b)           Solution X : Ferum (ll) sulphatetreSOa                     1

              Solution Y : Ferum (lll) sulphate/ Fez(SO+h                1

              Reducingagent '. Fe2*
                                  !Ferum (ll) sulphate FeSOn lron(ll)
                                                      /      /           1
              ion
              Reason : oxidationnumber increasefrom +2 to +3             1

              Oxidising  agent: Fe3* Ferum(lll) sulphate Fez(SO+)g
                                    /                  /        /
              lron(lll)ion                                               1
                                  numberdecreasefrom +3 to +2
                                                                         .l
              Reason: Oxidation                                            I    o




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                               l1




                        Galvanometer




                                              Carbon
                                              electrodes



  Chlorine water                            Potassium
                                            bromide
                                            solution

                                           U-tube
          Dilutesulphuric
                        acid

Conectand fundional apparatus                              1
Conectly
       labelled'                                           1
1. Suitable  chemical potassium
                      :           bromide         //any
                                           solution
    suitable chemicalsolution
2. Dilutesulphuric  acidis pouredintoa U-tube              1
3. A dropperis usedto fill one arm of the U-tubewith       1
    chlorinewater
4. Potassium   bromidesolutionis addedcarefullyto
    anotherarm of the U-tube
5. Botharm of the U-tlbe is fitted with carbonelectrode    1
6. Reducing   agent: potassium  bromide  solution          1
7. At negativeelectrode,  bromideions are oxidizedto       1
    bromine                                                1
8 . 2Br-       Brz + 2e                                    1      Max=
9 . At positiveelectrode,chlorine reduced chloride
                                 are          to           1       10
   rcns
1 O .Cl2 +2e+2Cf
                                                      Totalmark   20




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SULIT                                                               4s4r/3(PP\



                           JABATANPELAJARAN
                                          NEGERI
                                               JOHOR




PEPERIKSAAN
          PERCUBAAN
                  SPM2011
CHEMISTRY                                                                   4s4u3
Kertas 3
September


                                 SKEMA PEMARKAHAN



                     UNTT]K KEGTINAAI\IPEMERIKSA SAHAJA




    Peraturanpemarkahan SIILIT dan Hak Cipta Jabatan Pelajaran Negeri Johor.
                         ini
    Kegunaannyaldtusus untuk pemeriksa yang berkenaansahaja.Sebarangmaklurnat
    dalam peraturan pemarkahanini tidak boleh dimaklumkan kepadasesiapa.Peraturan
    pemarkahanini tidak boleh dikeluarkan dalam apa-apabentukmedia.




            Peraturan pemarkahan ini mengandungi18 halaman bercetak



454113 o 2011 Hak Cipta JabatanPelajaranNegeri Johor                    SULIT




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    SULIT                                        2                        4s41l3(PP)


                                   Marking Scheme
                                                Paper3


    Question                          MarkScheme                                   Score
      1(a)     Able to stateone inference each experiment-
                                         for
               Sampleanswers:
I               Testtube |     : lronrusuoxidisedlliron atomreleased
                                                                   electron//
                                 iron(ll)
                                        ions/ Fe2*formed //
                                        ionspresenU/rusting
                                 iron(ll)                   occur
                Testtubell : lrondoesnot rust// iron(ll)ionsarenot present//         3
                             zincconodesIIzinc atomreleased    electron//
                             zincionsformedllzinc oxidised

               Testtube lll    : lron rusuoxidised ironatomreleased
                                                  ll                electron//
                                 iron(ll)ions/Fe2*formexJ
                                                        tlrustingoccur
                                                                     ll
                                 iron(ll)ionspresent


               Able to state any two inferences
                                                                                     2

               Able to state any one inference
                                                                                     1

               No responseorwrong response
                                                                                    0




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SULIT                                                                     4541/3(PP)




Question                        MarkScheme                                      Score
  1(b)   Able to statethe hypothesis
                                   accurately

         Sampleanswer

                 a
         \A/hen morefless              metalis in contact
                         electropositive                with
                     the                     up)
         ironfferum/Fe, metalinhibitV(speeds rusting/corosionof
         iron ll

         Whena more/less              metalis in contact
                        electropositive                with
                     rusting ironlferumlFe faster/slower
         iron/ferumlFe,     of           is              ll
                                                                                   3
         lf the metalin contactwithironis higherflower ironlferum/Fe
                                                     than           in
         electrochemical        the
                          series, rusting/conosion ironis slower/faster
                                                    of
         tl

         The higherllower mdal in contactwith iron in electrochemicaf
                         the
         series/thaniron/brum/Fe, rustingfconosion ironfierum/Fe
                                the                  of            is
         slower/fiaster

         Able to state the hypotesis conectly

         Sampleanswer

         lMren a morcy'less             metal,the metalinhibits(speeds
                          elec-tropositive
                            otironll
         up) rustinglconosion

         lf the metalin contactwithironis higherthanironlferumlFe                  2
                                                                   in
         reactivity                           of
                   series,the rusting/conosion iron is slorerlf,aster//

                                     is             if
         The rustingof iron/ferumlFe faster/slower, a more/less
         electropositive                 with ironfferum/Fe
                        metalis in contact

         Able to state the idea of hypothesis

         Sampleanswer

         Different             withiron,will causeironto rust//
                 metalin contact                                                   1

         Metalcancauseironto rust.

         No responseor wrong response                                              0




                    :lt itl:,.   Pr lr i:,ir n   \g   g' i .1..i .            :ti-l-r:
                                                                   '




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.SLIL[T                                                                4541/3(PP)




Question                         Mark Scheme                                 Score
  1 ( c) Able to statethe threevariablescorrectly

          Sample
               answer:

          (i) Manipulatedvariables:
                          metals position metalin electrochemical
              Type/different    //       of
              series
                                                                              a
                                                                              J
          (ii) Respondingvariable:
               Rusting conosion presence blue/pink
                     /         //      of        colour
          (iii)Constant
                      variable:
               Size/mass iron nail lltype of nailll cleanironnails//
                        of
               temperaturemedium whichthe ironnailsarekept
                         //          in


          Able to state any two variablescorrectly.                           2


          Able to state any one variablecorrectly.                            I


          No responseorwrong response
                                                                              0




   l
           I i:,1.
                 i'                                                       S{ILIT




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SULIT                                                              4s41l3(PP)


Question                          MarkScheme                             Score
 1(d)    Able to give the operationaldefinition accurately

            Sampleanswer
                               withmetallowerthanironin electrochemical
            \A/hen is in contact
                 iron
                                              //
                                        rusting
                                indicates
                  bluecolouration
            series,                                                        a
                                                                           J


            Rustingoccurs                                       fless
                                                  with copper/tin
                          whenironnailis in contact
                          metalandformbluecolouration//
            electropositive
                                                       with metallower
            Bluecolouration formedwheniron is in contact
                           is
                                    series
            thanironin electrochemical

            Able to give the operationaldefinition correctly.

            Sampleanswer:

                          indicates
            Bluecolouration       rustingll                                 2

            Rustingoccutrs                                     lless
                                                  withcopperftin
                          whenironnailis in contact
                          metal
            electropositive

            Able to give an idea of the operationaldefinition '

            ggpte           l:                                              I
                  occurs
            Rusting     whenthe colourof solution       //
                                                 changes.
            Rustingoccurs


            No responseorwrong rcsponse                                     0




454113 @ 2011 Hak Cipta JabatanPelajaranNegeri Johor                     SULIT




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SULIT                                                          4s4U3GP)


Question                          MarkScheme                        Score
  1(e)   Able to predic'tany one the obseruationsbasedon the
         laboratoryexperiment correctlY

            Sampleanswers

                             /l
            BluespoUcolouration                                       3

                                //
                          smaller
            lronnailbecomes

                           unchanged
            Leadstripremains

            Able to predict one observationsless correctly.

            $ampleanswgl:                                             2
            PinkspoUcolouration

            Able to give an idea of observations.

            Sampleansuter;                                            1
            lron rus{s// BrowndeposiUspot

            No responseorwnong response                               0




4541/3 o 2011 Hak Cipta JabatanPelajaranNegeri Johor               SULIT




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SULIT                                                          4s4113(PP)



Question                          MarkScheme                        Score
  2(al   Able to state both two observationsaccuratelyduring the
         experiment.

            Sampleanswer:
                                                                      3
                           tumscolourless.
             1. Pinksolution

            2. Conicalflask     warm/hot.
                          becomes

            Able to state one obseryation         during the
                                         accurately
            experiment.                                               2

            Able to state any idea of obseruation.

            Samoleanswer:

             1- Volumeincreases
                                                                      1
            2. Pink

            3. Colourless

            4. Warm/hot

            No responseor wrong response                              0




454113 o 201I Hak Cipta JabatanPelajaranNegeri Johor               SULIT




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SULIT                                                                  4s41l3(PP)



Question                         MarkScheme                                  Score
  2(b)                                             with 2 decimal
         Able to recordthe burettereadingsaccurately                           3
         points.

             Answer

                   Set              Initialreadinq      Finalreadinq
                     I                  0.00                26.00
                    u                   0.50                24.50
                    til                 5.50                30.50

             Able to recordthe burettereadingscorrectly.                       2

             Answer

                   Set              lnitialreadino      Finalreadinq
                    I                  0 // 4.0            26// 26.0
                    il                   0.5                 24.5
                    Iil                  5.5                 30.5

             Able to record any readingfrom the the burctte completely.        1

             SampleAnswer:

                   Set             Initialreadinq       Finalreadino
                     I                    0                  26
                    II                   1 .5                25.5
                    ill                  6.5                 31.5

             No responseorwrong response                                       0




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4541/3 o 2011 Hak Cipta JabatanPelajaranNegeri Johor                       SULIT
SULIT                                                                4s41l3(PP)


Question                        Mark Scheme                                 Score
  2(c)   Able to makea tableto recordthe the datafrom three                   3
         experimentsaccurately with units.

           SampleAnswer:

                         lnitialreading/    Final reading/   Volume HCI/
                Set            cm-              cm-             cmu
                 I           0.00               26.00           26.00
                il           0.50              24.50           24.00
                ilr          5.50               30.50           25.00

           Able to makea table to recordthe data from three experiments       2
           accuratelywithout units or correctlywith units.

           1.            Answer:
                Set      Initialreading     Finalreading     Volume HCI
                 I           0.00              26.00            26.00
                il           0.50              24.50           24.00
                ilI          5.50              30.50           25.00

           2.            answer:
                         Initialreading/    Finalreading/    Volume HCI/
                Set                                             cm'
                              cm-               cm"
                 I          0 // 0.0          26// 26.0       26// 26.0
                 ll           0.5              24.5           24// 24.0
                III           5.5               30.5          25// 25.0

           Able to make a table to record any data including the              1
           following:

                 -    Readingfrom 2(b)
                 -    Headingwithoutunits
                 -    Set of experimenl




            No response wrongresponse
                      or                                                      0


4541/3 O 2011 Hak Cipta Jabatan       NegeriJohor
                              Pelajaran                                    SULIT




                           http://edu.joshuatly.com/
SULIT                                      10                         4s4r/3(PP\



Question                        MarkScheme                                         Score
  2td)     Able             the
                to calculate averagevolumeof hydrochloricacid
           accurately.

           Answer:                                                                   3
           26.00 24.00 25.00= 25.00
                +     +            cm3
                  3

           Able to state the averagevolume of hydrochloricacid
           accuratelywith units,

           @r:                                                                       2

           25.00 cm3

           Able to state the ideaof averagevolumeof hydrochloricacid.

            S a m p l e an sw e n                    : ' r ' :r   '    ' :'          1
                                            datafrorn2b)i + v {2              '
           25.00 ll25.Ott25 tt (Awragereading
                                                            3
           No response orwrongresponse                                               0




                                    http://edu.joshuatly.com/
454113 O 2011 Hak Cipta Jabatan       Negeri Johor
                              Pelajaran                                           SULIT
SULIT                                      t1                    4s41l3(PP)



Question                            Mark Scheme                            Score
  2(e)   Able to state the relationshipbetweenthe concentrationof
         hydroxideion, OH-in sodium hydroxide,  NaOH  with time until
         the end point of titration accurately.

           Sampleanswer:
                                                                             3
                           of               decreases time. //
                                     ions/OH-
           The concentration hydroxide              with

           The longerthe timetaken,the lowerthe concentration hydroxide
                                                            of
           ions/OH-


           Able to staG tre relationship betweenfie concenfation
           hydroxide ion, OH-in sodium hydroxide,NaOHwith time until
           the end point of titration inaccurately.

           Sampleanswer:
                                                                             2
                           decreases time- //
           The concentration       with

           The longerthe timetaken,the loter the concentration


           Able to state an idea of the relationship beturcenthe
           concentrationhydroxideion, OH'in sodium hydroxide,NaOH
           with time until the end point of titration.
                                                                             'l
            Sampleanswer:
                                //
                        decreases Lowerconcentration
            Concentration

                      orwrongresponse
            No response                                                      0




4541/3 o 2011 Hak Cipta Jabatan       Negeri Johor
                              Pelajaran                                   SULIT




                         http://edu.joshuatly.com/
SULIT                                         l2                         4s41l3GP)



Question                                 MarkScheme                          Score
  2(fl                                                 diproticand triprotic
                                             monoprotic,                       3
            acid accuratelY.

            Answer:
                          acid
                Monoprotic,                Dioroticacid       Trioroticacid
              Hydrochloricacid                 acid
                                       Sulphuric            Phosphoricacid
              Ethanoic acid
              Nitricacid
                                                                diProticand
                                                   to monoProtic,                2
            triprotic acid accuratelY.
                                                into monoProtic,diProtic and     1
            triprotic acid accuratelY.

             No responseor wrong response                                        0




 454113 O 201 t Hak Cipta JabatanPelajaranNegeri Johor                         SULIT




                           http://edu.joshuatly.com/
SULIT                                       I3                        454u3(PP)       :
                                                                         :


Question                        MarkScheme                                    Score
  3(a)   Able to give statement the problemaccuraGly.
                              of                                                3

            Sampleanswer:

            Doesthe position/distancebetween metalsin electrochemical
                                            two
            series affectthe voltmeter                    differen II
                                     reading/voltage/potential   ce?

            Doesthe positionldistance         pair
                                     between of metalsin
            electrochemical                        reading/voltage/
                           seriesaffectthe voltmeter
            potential
                    difference?//

            Doesthe furtherthe distance two metalsin electrochemical
                                        of
                  increase
            series.       the potential
                                      difference?

            Able to give statementof the problem correctly.                     2

            Sampleanswer:

            Doesthe positionidistance
                                    between  metalsin Electrochemical
                                                ge/potenti differen |I
                                    readi g/volta
            Seriesaffectthe voltmeter   n                al       ce?

            Doespairof metals electrochemicalseries the voltmeter
                             in                 affect
                                 difference?
            reading/voltage/potential

            Able to give an idea of statementof the problemcorrectly            1

            Sampleanswer:

                                   between metalsin reactivity
            Doesthe position/distance      two                  series
                              read
            affectthe voltmeter ing/voltage/potenti differen II
                                                al         ce?

            Metalsproduce voltage.
                        a

            No responseorwrong response                                         0




454113 @ 2011Hak Cipta JabatanPelajaranNegeri Johor                          SULIT


                                     http://edu.joshuatly.com/
SULIT                                  t4                     4s41l3(PP)




          eUe to state the three variablescorrectly

          Sampleanswer:
                    variable: Pairsof metals
          Manipulated
          Respondingvariable:'Voltage voltmeter
                                      //        reading potential
                                                        //
                              difference
                 variable : Electrolyte the metalas the
          Constant                       //
                              positive/negative
                                             terminal//
                                                      of
                              volume concentration electrolyte
                                     and


          Abletbstate any two variablescorrectly

          Able to stateany one variablecorrectly

          No responseor wrong response




454113O 2011Hak CiptaJabatan       NegeriJohor
                           Pelajaran                                SULIT




                          http://edu.joshuatly.com/
SULTT                                        l5                     4s41l3(PP)




            Able to statethe relationshipbetween manipulated
                                                 the             variable
            and the responding  variableand statethe directionaccurately.

            Samplqanswer:

            Thefurther distance the pairof metals the electrochemical
                      the       of              in
                  the       /       reading potential
            series, voltage voltmeter      /        difference
            becomes greater.
                           //

            Thefurtherthe position twometalsin electrochemical
                                  of                              the
                                                            series,
            higherthe voltage/ potential        reading
                                       difference

                                       betweenthe manipulatedvariable
            and the respondingvariableand without stating tfie direction.

            S3mpleanswer:

            The distance the pairof metalsin the Elmtrochemical
                        of                                       Series.
            inffuences voltage/ volfrneter
                     the                  readingI potentialdifference

            Able to state the idea of hypothesiscorrectly

            Sampleanswer;

            Thefurther distance electrodes the Electrochemical
                      the         of        in                 Series,
                       /        reading
            the voltage voltmeter     / potential        becomes-
                                                difference
            greater/smaller

                    metals
            Different     givedifferent      /        reading potential
                                      voltage voltmeter      /
            difference

            No response wrongresponse
                      or




4541/3 @ 2011 Hak Cipta JabatanPelajaranNegeri Johor                        SULIT




                           http://edu.joshuatly.com/
SULIT                                       t6                         4s4113GP)


Question                               Mark Scheme                            Score
   3(d)     Able to give adequate of materials
                                 list         and apparatus
                                                          that                  3
            involvesthe following

                -   Threesuitable
                                metals [belowcalcium]
                -   Onesuitableelectrolyte
                -   Voltmeter,
                             beaker,connectingwires,sandpaper
                    .   Onlytwo materials
                                        and/orapparatus list outfrom
                                                      can
                        diagram.

            Sampleanswer:


            Aluminum,
                    zinc,copper,
                               copper(ll)
                                        solution,
            voltmeter,
                    beaker,        wires,sandpaper
                          connecting


            Able to give a list of materialsand apparatusthat involvesthe      2
            Following 3 items:

                -   Two suitablemetals[belowcalcium]
                -   One suitable
                               elec.trolyte container
                                         and
                -   Voltmeter

            Sampleanswer:

            Silver,iron , sivernitratesolution

            voltmeter,
                     basinltest
                              tube


            Able to give a list of materialsthat involvesthe following 2       1
            items:

                -   Two metals
                -   Any namedelectrolyte

            Sampleanswer:

            Lithium potassium
                   and      llSilverandlead

            Hydrochloric
                      acid


            No response wrongresponse
                      or                                                       0




454113 O 2011 Hak Cipta Jabatan
                              Pelajaran
                                      NegeriJohor                           SULIT


                          http://edu.joshuatly.com/
SULIT                                          L7                    4s41l3(PP)




Question                           MarkScheme                                 Score
  3(e)   Able to state the following 6 steps correctly.                        3
             Sampleanswer:

                     1. Pour copper(ll)sulphate solution suitable
                                                        /       electrolyte
                        intoa container/beaker
                     2. Clean metalstrips/aluminium copperwith
                              the                       and           sand
                        paper
                     3. Dip bothmetal/aluminium copperintothe electrolyte
                                                and
                     4. Connect metals/aluminium copperto
                                the                  and          the
                        voltmeter//complete circuit
                                            the
                     5. Recordthe voltmeterreading
                     6. Repeat steps1 to 5 by subtituting metalfor .
                                                        one
                        another/aluminium zinc
                                          with

             Able to state the following steps corectly basedon scoie &        2
                 -   Steps 1 or 3
                 -   Step4
                 -   Step5
                 -   Step6

             Able to state the following steps conectly basedon score &        1
                     Step 1 or 3

             No responseorwrong response                                       0




4541/3 @ 2011 Hak Cipta JabatanPelajaranNegeri Johor                      SULIT




                           http://edu.joshuatly.com/
     SULIT                                        18                       4541/3GP)




    Question                             MarkScheme                             Score
        3tf)     Able to exhibitthe tabulationof datawhich includesthe           2
I
                 following three information

                         1. Heading the manipulated
                                   for                variable
                         2. Examplesof two pairs of metals
                         3. Heading the responding
                                   for               variablewith units
                 Sampleanswer;

                             Pairof metals/Electrodes       VoltageA/
                             Aluminium copper
                                     and
                             Zincandcopper



                 Able to exhibit the tabulationof data which includesthe          1
                 following information

                        1. Heading manipulated
                                    for           variable/responding
                                                                    variable
                           without unit
                        2. Examplesof one pair of metals


                 Sampleanswer:

                                MetalVElectrodes            Voltage
                            Aluminium copper
                                    and


                No responseorwrong response                                      0



                                END OF MARKING SCHEME




    454713 e 20i I Hak Cipta Jabatan
                                   Pelaiaran
                                           Neseri Johor                       SULIT




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