11. It refers to a two-phase mixture in which a solid is dispersed or spread in a solid, liquid or gas.
a. colloids
b. suspensions
c. solution

12. It is a homogeneous mixture which at times can appear as a heterogeneous mixture.
a. Solution
b. suspension
C. colloid

13. These are colloids that result from dispersing liquids in a solid medium. a.Solid foam
b. gels
c. emulsion

14. Gemstones, pearls, and colored glasses are example of.
a. Solid sols
b. aerosols

15. It is a colloid formed when both the dispersed phase and the dispersion medium are liquids.
a. Emulsion
b. aerosols
c. gels

16.It refers to a colloid of gas.
a. Emulsion
b. gaseous solution
c. aerosols

17.It is the process of separating the components of a mixture by pouring the liquid component one container to another.
1. Filtration
b. decantation
c. evaporation

18.it is the process of separating solid and liquid by using a porous filter.
a. Sieving
b. decantation
C. filtration

19.A process by which a liquid changes into vapor or gas.
a.Evaporation
b. filtration
c. decantation

20.it is a utensil with fine wire-mesh bottom used for straining substances.​