Chemistry Unit 2 Lesson 3 Mixtures Answers
1. Filtration is useful for separating:
Answer - Solids from liquids or gases
2. Which method of separation would be most appropriate for separating a mixture of water and alcohol?
Answer - distilation
3. Which method separates components of a mixture according to how quickly the particles travel through a medium?
Answer - Chromatography
4. The boiling point of water is 100ºC. The boiling point of acetone is 56ºC. Which statement about distilling a mixture of acetone and water is correct?
Answer - Acetone will vaporize from the mixture before water.
5. Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then, the remaining liquid is heated to remove the water, leaving substance B. Which statement about substance A and substance B could be correct?
Answer - Substance A is rice, and substance B is sugar.
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