Q.
In colloidal solution, dispersed phase and dispersion medium may be solid, liquid or gas. In how many of the following, the physical state of the dispersed phase is same as the physical state of the dispersion medium?
Pumice stone, ruby glass, mist, milk, sponge, fog, shaving cream
Surface Chemistry
Solution:
Example
Dispersed phase
Dispersion medium
Pumice stone
Gas
Solid
Ruby glass
Solid
Solid
Mist
Liquid
Gas
Milk
Liquid
Liquid
Sponge
Gas
Solid
Fog
Liquid
Gas
Shaving cream
Gas
Liquid
Example | Dispersed phase | Dispersion medium |
---|---|---|
Pumice stone | Gas | Solid |
Ruby glass | Solid | Solid |
Mist | Liquid | Gas |
Milk | Liquid | Liquid |
Sponge | Gas | Solid |
Fog | Liquid | Gas |
Shaving cream | Gas | Liquid |