One of the following is a solid foam. This one is:

(a) butter (b) bread (c) shaving cream (d) ruby

Q. Which of the following is not an emulsion ?
(a) milk
(b) butter
(c) face cream
(d) shaving cream

Q. Shaving cream produces foam. What kind of colloid is shaving cream ?

Q.

One of the following represents the solution of solid in a solid. This one is :

(a) boron (b) brass (c) beryllium (d) bread

Q. 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.

Q. The money Ram spent on buying scissors and shaving cream is a/an .