How are the following colloids different with respect to dispersed phase and dispersion medium ? Give one example of each
(i) Aerosol (ii) Emulsion (iii) Hydrosol.

Explanation

(i) An aerosol : It is a colloidal dispersion of a liquid in a gas . Example , fog .
(ii) A hydrosol : It is a colloidal sol of a solid in water as the dispersion medium . Example starch sol.
(iii) An emulsion : It is a colloidal systems when both the dispersed phase and and the dispersion medium are in the liquid state . Example , oil in water.