Question

Name a colloid in which gas is dispersed in a solid medium. Give an example.

Answer 1

1. Colloidal Solution:- It is a heterogeneous mixture made up of two phases namely, the dispersed phase and the dispersion medium.
2. The one which is dispersed is called the dispersed phase and in which it is dispersed is called the dispersion medium.
3. Solid foam: It is a colloid in which gas is dispersed in a solid medium.
4. The dispersed Phase is gas and dispersed medium is solid.
5. Examples: Cork, pumice stone, sponge, etc.