Multiple choice

An emulsion is a colloid of a _____.

  1. gas in a liquid

  2. liquid in a liquid

  3. liquid in a gas

  4. gas in a solid

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An emulsion is a type of colloid where one liquid is dispersed in another immiscible liquid in droplet form, like milk fat in water or oil in water. This matches the definition of liquid in a liquid.