Question

What are emulsion ? What are their different types ? Give example of each type.

Answer 1

Liquid - liquid colloidal systems in which finely divided droplets of a liquid are dispersed into other liquid, are called emulsions. These are formed by shaking the two immiscible liquids with each other.

Types of Emulsions

(a) Oil dispersed in water ($\frac{O}{W}$ type) e.g., milk, vanishing cream, etc

(b) Water dispersed in oil ($\frac{W}{O}$ type)e.g., butter, cold cream, etc.