SEPARATING MIXTURE BY EVAPORATION AND DISTILLATION

1. In a salt solution, water remains in the container after the evaporation process.

• TRUE

• FALSE

2. Distillation is the method used in purifying alcohols and also in separating petrol from crude oil.

• TRUE

• FALSE

3. Distillation is the process by which a mixture is separated by heating a solution and condensing using a cooling tube.

• TRUE

• FALSE

4. Evaporation is the process of which water changes from liquid to solid.

• TRUE

• FALSE

5. Gasoline, kerosene, fuel oil, and lubricating oil are produced from petroleum by distillation.

• TRUE

• FALSE

6. Evaporation is used to ___________.

• A. separate solids of different particle size

• B. obtain the solute from the solution

• C. separate liquids of different boiling points

• D. separate the dyes in a marker

7. Ronald is trapped in an island with no drinking water except sea water. What process must he use to recover and produced drinking water.

• A. decantation

• B. evaporation

• C. filtration

• D. distillation

8. Which of the following is an example of evaporation?

• A. drying of wet hair

• B. clothes under the rain

• C. making ice

• D. breaking a glass

9. The separation technique shown in the diagram is______.

• A. Evaporation

• B. Filtration

• C. Distillation

• D. Decantation

10. . The process of separating mixture with liquids of different boiling points.

• A. chromatography

• B. simple evaporation

• C. sieving

• D. simple distillation