Science, asked by sudhakarpatwari1, 6 months ago

which of the following not an is a pure substance a) oxygen b) air c) copper d) hydrogen

Answers

Answered by Anonymous

2

Answer:

air because it is a mixture of gases like oxygen, carbon dioxide and many other

Explanation:

please mark as brainliest answer

Answered by AdityanS

0

Answer:

air is not a pure substance

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