Which of the following cannot be a colloid?
A) a foam
B) an aerosol
C) an emulsion
D) a homogenous mixture
E) All of the above are colloids.

Question

Quizplus · Accepted Answer

A colloid is a mixture in which one substance is dispersed evenly throughout another substance. A homogeneous mixture (D) is a solution where one substance is uniformly distributed in another substance, but there are no distinct particles. Therefore, it cannot be a colloid. A foam (A), an aerosol (B), and an emulsion (C) are all examples of colloids where one substance is dispersed in another substance.

Which of the Following Cannot Be a Colloid