17
QuizMultiple Choice

Mixtures — Unit test

Question 17 • LA-Physical Science A

Which separation procedure is most likely to happen?

Answer
A
Freezing a compound will break it down into elements.
B
Filtering a mixture will separate it into substances.
C
Boiling a pure substance will separate it into mixtures.
D
Melting an element will break it down into compounds.

Explanation

Filtering can separate components of a mixture when one component is an insoluble solid and the other is a liquid. For example, a filter can trap sand while water passes through. The other choices describe physical changes such as freezing, boiling, or melting, which do not turn compounds into elements or pure substances into mixtures.

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