Give four uses of emulsions.

(N/A) Four uses of emulsions are as follows:
$(i)$ The cleansing action of soaps and detergents is based on the formation of emulsions.
$(ii)$ The digestion of fats in the intestines occurs through the process of emulsification.
$(iii)$ Many antiseptics and disinfectants form emulsions when added to water.
$(iv)$ The process of emulsification is widely used in the preparation of various medicines and pharmaceutical creams.