. What are emulsions? What are their different types? Give example of each type
Liquid - liquid colloidal systems in which finely divides droplets of a liquid are dispersed into other liquid, are called emulsions. These are formed by, shaking the two immiscible liquids with each other.
Type of Emulsions
(a) Oil dispersed in water (O/W type) e.g., milk,vanishing cream, etc.
(b) Water dispersed in oil (W/O type) e.g., butter, cold cream, etc.