Identify colloids from the following :
Copper sulphate solution, milk, smoke, muddy water, butter, sugar solution, face cream, lemonade, jelly, soda water.

Identify the dispersed phase and dispersion medium in the following examples of colloids :

(a) Fog

(b) Cheese

(c) Coloured gem stones

List three differences between true solutions and suspensions.

Name the type of colloid in each of the following, giving an example of each.