Which of the following is a sol?

Saving cream, Milk, Fog, Soap solution, Hairspray

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?

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

Aerosol, emulsion, colloid, sol

Fill in the following blanks:

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

Define (a) solute, and (b) solvent