NCERT Class XII Chemistry
Chapter - Surface Chemistry
Questions with Solutions
© examsnet.com
Question : 9
Total: 35
How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
Solution:
Colloids can be classified into eight types depending upon the physical state of the dispersed phase and the dispersion medium.
| Dispersedphase | Dispersionmedium | Types ofcolloid | Examples |
| Solid | Solid | Solid sol | Coloured glasses, gem stones |
| Solid | Liquid | Sol | Paints, cell fluid |
| Solid | Gas | Aerosol | Smoke, dust |
| Liquid | Solid | Gel | Cheese, butter, jellies |
| Liquid | Liquid | Emulsion | Milk, hair cream |
| Liquid | Gas | Aerosol | Fog, mist, cloud |
| Gas | Solid | Solid sol | Pumice stone, foam rubber |
| Gas | Liquid | Foam | Froth, whipped cream |
© examsnet.com
Go to Question: