1. A.2 Foul Water Lab QUIZ

2. Composition Book Entry  1. What is the purpose of this activity?

3. Composition Book Entry  2. List the purification procedures used in this lab.

4. Composition Book Entry  3. Separating solid particles from liquid by passing the mixture through a material that retains the solid is called this.

5. Composition Book Entry  4. Why is it important to measure the volume of foul water precisely in the beginning of the lab?

6. Composition Book Entry  5. What is removed by sand filtration?

7. Composition Book Entry  6. What is removed by charcoal filtration?

8. Composition Book Entry  7. If you begin with 100ml of foul water and finish with 65 ml of “pure” water, what percentage of the original sample was lost during purification?

9. Composition Book Entry  8. How is water purified by distillation?

10. Composition Book Entry  9. Why isn’t distillation used by water treatment plants?

11. Composition Book Entry  10. What type of water will not conduct electricity?