Which of the following is an example of a colloid in which a gas is dispersed in a liquid?
A) butter
B) marshmallows
C) mayonnaise
D) whipped cream

Question

Quizplus · Accepted Answer

Whipped cream is an example of a colloid in which a gas (nitrogen) is dispersed in a liquid (cream). Butter is a mixture of water, fat, and milk solids, but does not involve a gas dispersed in a liquid. Marshmallows are a foam, which is a type of colloid, but they involve a gas dispersed in a solid. Mayonnaise is a mixture of oil and water, but does not involve a gas dispersed in a liquid.

Which of the Following Is an Example of a Colloid