19
QuizMultiple Choice

Unit Test — Unit test

Question 19 • GA-GSE Grade 8 Physical Science

Which explains one reason evaporation can be used to separate a mixture?

Answer
A
The desired component has a higher boiling point than the other components.
B
The desired component has a different density from the other components.
C
The mixture is a solution that contains a substance that will crystallize out.
D
The desired component has the smallest particles in the mixture.

Explanation

Evaporation can separate a dissolved substance from a solution when the solvent evaporates and the dissolved substance crystallizes out. This matches choice C, a solution containing a substance that will crystallize. Differences in density or particle size are used in other separation methods, not evaporation.

AI-written and checked against the verified answer.

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