Evaporation as a Technique of Separating Mixture

It is a substance that dissolves to form a mixture.

• A. Soluble solid

• B. Soluble liquid

• C. Soluble gas

• D. Soluble substance

What do you call the process by which water changes from a vapor on gas?

• Decantation

• Filtration

• Evaporation 

• Hand picking

Making salt is an example of separating mixture through _________.

• A. Evaporation

• B. Sieving

• C. Decantation

• D. Picking

What changes takes place in evaporation?

• A. Solid to liquid

• B. Liquid to gas

• C. Liquid to solid

• D. Solid to gas

Which is the correct order of obtaining salt from a mixture of sand and salt?

• A. Dissolving in water-evaporation

• B. Evaporation-filtration-dissolving in water

• C. Filtration-dissolving in water-evaporation

• D. Dissolve in water-filtration-evaporation

Lester had noticed that the amount of water in a container with a plant becomes less as the days goes by. What do you think is the reason of decreasing amount of water in a container?

• a. Some insects sipped the water.

• b. Water in the container was not changed.

• c. Water evaporated because of heat.

• d. The plant has a stem.

Which of these examples show evaporation process as technique of

separating mixtures?

• a. drying of water on the table

• b. flooding of water in the river

• c. cooling of water in the refrigerator

• d. freezing of water in the ocean

What technique will Jocelyn use if she wants to separate salt mixed with

water in a container?

• a. filtering

• b. evaporation

• c. picking

• d. sedimentation

In evaporation process, liquid becomes _______ when heated.

• solid

• ice cubes

• plasma

• vapor

It is a process of separating mixtures which involves heating leaving the

solid residue in a container.

• a. evaporation

• b. precipitation

• c. distillation

• d. sedimentation