Answers ChemistryMatter and Atomic Structure

Practice Test Answers

3 verified answers

Which statement describes an extensive property of matter?

It changes with the composition of a substance.

It changes when a new substance is formed.

It changes with the color of a substance.

It changes with the amount of sample that is present.

Which physical method can separate a mixture of steel ball bearings and marbles?

sorting

filtration

boiling

evaporation

A piece of sodium metal can be described as

a pure substance and a compound.

an impure substance that is reactive.

a pure substance and an element.

an impure substance that is unreactive.

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