Question

Butter is a(an)_______.

• A. Emulsion
• B. sol
• C. Gel
• D. Liquid aerosol

Answer 1

The correct option is A

Emulsion

Explanation of the correct option:

(A) Emulsion

• Butter is an example of a solid emulsion-type colloid.
• It is a colloid where a solid is dispersed in a liquid.
• Butter is called colloid because it can be dispersed in the form of either fat or liquid.

Explanation of the incorrect options:

(B) sol

A colloid (aggregate of very fine particles dispersed in a continuous medium) in which the particles are solid and the dispersion medium is fluid.

(C) gel

A gel is a colloidal system in which a liquid is dispersed in a solid.

(D) liquid aerosol

It is a colloidal solution of a liquid dispersed in a gas.

Hence, the correct answer is (A).