How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?

Question

Philoid · Accepted Answer

Colloidal solutions get classified in 8 Types on the basis of physical state of the dispersed phase and dispersion medium. This are given in following table-

Dispersed phase	Dispersion media	Types of colloids	Example
Solid	Solid	Solid Sol	Gem stone
Solid	Liquid	sol	Paints, cell fluid.
Solid	Gas	Aerosol	Dust, smoke.
Liquid	Solid	Gel	Butter, Cheese.
Liquid	Liquid	Emulsion	Milk, Hair cream.
Liquid	Gas	Aerosol	Fog, Mist, Cloud.
Gas	Solid	Solid Sol	Pumice stone.
Gas	Liquid	Foam	Froth, soap lather.