List three differences between true solutions and suspensions.

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

Compare suspensions and colloidal solutions on the basis of:

(a) type of mixture

(b) particle size

(c) scattering of light

(d) stability

What do you understand by Tyndall effect ? Which of the following will show it ?

(a) salt solution

(b) milk

(c) copper sulphate solution

(d) starch solution