5.24 Give four uses of emulsions.

Step 1: 

Emulsions are liquid-liquid colloidal systems, i.e., the dispersion of finely divided droplets in another liquid.

Step 2:

Four uses of emulsions:

(i) Cleansing action of soaps is based on the formation of emulsions.

(ii) Digestion of fats in the intestines takes place by the process of emulsification.

(iii) Antiseptics and disinfectants when added to water form emulsions.

(iv) The process of emulsification is used to make medicines.