1. Which statement is TRUE about colloids?
A. All colloids are liquid
B. All colloids are compounds,
C. The particles in a colloid settle down after some time
D. Colloids may come in any of the three states: solid, liquid or gas

2. A beam of light is visible through a colloid. This is called
A. Homogenization
B. Tyndall Effect
C. Colloidal dispersion
D. Suspended light

3. An oil spill is one of the environmental problems that occur in the bodies of water.
What kind of mixtures is formed when oil is mixed with water?
A. colloids
B. solution
C. suspension
D. saturated solution

4. Which is a miscible solution?
A. coconut oil to distilled water
B. bleach to water
C. gasoline to tap water
D. grease to liquid soap

5. Which colloid has both protective and decorative function?
A. Ink
B. Insecticide spray
C. Paint
D. Creams​