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Chemistry Surface Chemistry General Subjective Type
Published on: August 13, 2026

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

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On the bases of physical state of D.P. and D.M. colloidal solution may be divided into eight system

Type of Colloidal Systems

D P

D M

Type of colloid

Examples

Solid

Solid

Solid Sol

Some coloured glasses and gem stones

Solid

Liquid

Sol

Paints, cell fluids

Solid

Gas

Aerosol

Smoke, dust

Liquid

Solid

Gel

Cheese, butter, jellies

Liquid

Liquid

Emulsion

Milk, hair cream

Liquid

Gas

Liquid Aerosol

Fog, mist, cloud, insecticide sprays

Gas

Solid

Solid Sol

Pumice stone, foam rubber

Gas

Liquid

Foam

Froath, whipped cream, soap lather.

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