A pure substance ________
A)can not be separated into simpler substances by physical means.
B)can have a composition that varies from sample to sample.
C)must be an element.
D)has different chemical and physical properties depending on its source.
E)must be a compound.

Question

Quizplus · Accepted Answer

A pure substance cannot be separated into simpler substances by physical means because it consists of only one type of atom or molecule.

A Pure Substance ________