Question

The emulsifying agent forms an interfacial film between suspended particles and the medium. The principal emulsifying agents for $O/W$ emulsions are?

Answer 1

Emulsions can exist as Oil in water or Water in oil of emulsions.

The type of emulsion depends upon the properties of the dispersed phase and continuous phase. If the oil phase is dispersed in a continuous aqueous phase the emulsion is known as Oil in water.