Question

What do you understand by the term Emulsion?

Answer 1

Emulsion:

• An emulsion is a colloid that consists of more than two non-heterogenous liquids.
• An emulsion can be classified into two types:

1. Emulsion of oil in water
2. Emulsion of water in oil

Characteristics of emulsion:

• It has a cloudy appearance.
• An emulsifying agent is needed for the preparation of emulsion.
• The capacity of absorbing a liquid is negligible in emulsions.

Examples:

• Milk.
• Cold cream.
• Oil paints.