6. What is the most common purpose of simple distillation?
A. To purify drinking water of unwanted chemicals and materials such as salt.
B. To separate the lighter substance.
C. To separate smaller solid particles from larger solid.
D. To pour out the less dense substance. 7. Distillation is best used in producing
A. Chemicals
B. Distilled water
C. Soda
D. Wine
8. Crude oil is broken down by heat, vaporized and allowed to condense into various liquids used as gasoline. This process is called
A. Distillation
B. Evaporation
C. Filtration
D. Picking
9. What technique did you used to obtain clear water from muddy water?
A. Decantation
B. Filtration
C. Magnetism
D. Sieving
10. If you were stuck on a desert island without any drinking water your knowledge of separating mixtures could help you to make pure water from sea water. What is the appropriate technique will you use?
A. Decantation
B. Distillation
C. Evaporation
D. Filtration​