1. Which is the process of separating solid substances from a liquid using a filter paper or any cloths that can be used as a filtering medium? *
A. Decantation
B. Picking
C. Sieving
D. Filtration

2.What is the process by which water changes from a liquid to gas or vapor? 

A. Filtration

B. Evaporation

C. Mixture

D. Decantation

3.Which is the best way to get salt from a salty water?

A. Evaporation

B. Filtration

C. Distillation

D. Magnetism

4. Suppose you were in a laboratory performing the activity or mixture. Then, you accidentally combined your iron fillings with the sugar. Which would be the best way to separate that? *

A. Separate them with the use of tweezers.

B. Separate them with the use of magnet.

C. Use a fine mesh screen.

D. Place them into the container with water to dissolve sugar

5. Metals which are made up of ______________ are easily attracted to the magnet. *

A. alloy, nickel, or cobalt

B. paint, water, or powder

C. salt, rubber, or plastic

D. gold, ruby, diamond

6. Which of the following mixture is used to separate mixture through sieving? *

A. mixture of sugar and water

B. mixture of iron fillings with saw dust

C. rice grains mixed with sugar

D. mixed of sand and water

7. What was left on the filter paper when the mixture was poured? *

A. residue

B. funnel

C. filtrate

D. beaker

8. It is used in separating less dense substance from a denser one by scooping or slowly pouring the liquid. It is also used to separate immiscible liquids. 

A. Decantation

B. Evaporation

C. Filtration

D. Chromatography

9. How is filtration is used in everyday life? *

A. To separate the mixture of immiscible liquid

B. Use to separate in salt making

C. Useful in removing rice hulls from newly milled rice

D. To produce clean water.

10. Which of the following mixtures can be separated by decantation? *

A. Rice grain mixed with sugar

B. Mixture of iron filling and soil

C. Liquid mixture like gasoline and water

D. Sand and gravel

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