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Which of these is true about pure substances?

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

Verified Answer :

after doing research and taking the test the correct answer is they may contain one type of atom or one type of molecule so your answer would be B

Deku07

Answer:

The answer to your question is B) They may contain one type of atom or one type of molecule.

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