Answered

Which of these is true about pure substances?

AThey can only contain one type of atom
BThey can only contain one type of molecule
CThey may contain one type of atom or one type of molecule
DThey can contain different types of atoms and molecules

Verified Answer :

fairypuff

It is C, one type of atom or one type of molecule.

C. They may contain one type of atom or one type of molecule

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