Choose one term from the following which includes the other three:

Aerosol, emulsion, colloid, sol

State one instance where water undergoes a physical change and one in which it undergoes a chemical change.

State whether the following statements are true or false:

(a) Bread is an example of solid foam.

(b) Sponge is an example of solid sol.

What type of colloids are bread and sponge?

Which of the following is a sol?

Saving cream, Milk, Fog, Soap solution, Hairspray

Fill in the following blanks:

(a) Milk is a …….. solution but vinegar is a ……….. solution.