Define the following terms with a suitable example of each :
(a) Sol
(b) Aerosol
(c) Hydrosol
(1) Sol:
Sol is a colloidal solution in which dispersed phase is solid and dispersion medium is liquid.
Example : Paints
(2) Aerosol :
Aerosol are colloidal systems of solids in gas or liquid in gas.
Example : Solid in gas - smoke, dust; Liquid in gas - fog, cloud
(3) Hydrosol :
Hydrosol are colloidal solutions of solid in water.
Example : Gold sol