5.16 What are emulsions? What are their different types? Give example of each type.
The colloidal solution in which both the dispersed phase and dispersion medium are liquid in nature are called emulsions.
There are two types of emulsions-
(i) oil in water (O/W) -Oil is dispersed phase and water is dispersion medium (milk)
(ii) water in oil (W/O)- Water is the dispersed phase and oil is dispersion medium (cold cream, butter etc.)