I. Match the definitions in column B with the words in column A. Write the letter of your answer on the blank before each number.

A
1. aerosol
2. colloid
3. emulsion
4. foam
5. sol

B
a. formed when many gas particles are trapped in a liquid
b. formed between two liquids
c. a colloidal suspension with solid particles in a liquid
d. type of mixture in which solid or liquid particles are dispersed uniformly throughout a gas, liquid, or solid.
e. contains small particles of liquid or solid dispersed in a gas ​