What are emulsions ? What are their different types ? Give an example of each type ?

Explanation

Emulsions: It is a colloidal sysyem in which both the dispersed phase and the dispersion medium are liquids, e.g., milk consists of small drops's of liquid fat dispersed in water. Types of emulsions:
(a) Oil-in-water type in which small droplets of an oil are dispersed in water, e.g., milk cood-liver oil, etc.
(b) Water-in-oil type in which water droplets are dispersed in an oil medium, e.g., butter.