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Suspension, Colloid, and Solution Mini Lab Prelab: What tests do you think will be most important in determining whether something is a suspension, a colloid, or a solution? Make sure to explain your answer in complete sentences. Lab: Using the knowledge you have picked up in class, determine whether the five unknowns are suspensions, colloids, or solutions. Make sure to give reasons for each of your answers (no reason = no credit). Unknown 1: Unknown 2: Unknown 3: Unknown 4: Unknown 5: Postlab question: Before a can of paint can be used, you need to stir it before it can be used (which implies that the coloring has sunk to the bottom). However, unstirred paint still appears colored (though the color is nowhere near as dark as it is when you stir it) – this is true no matter how long a can of paint has been undisturbed. The question: Is paint a colloid, a suspension, or a solution? Explain.
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