qixtp15 qixtp15

14-10-2020
Chemistry

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Which is a chemical property of oxygen?

1.It reacts with iron to form rust.
2.It is a gas at room temperature.
3.It expands when heated.
4.It combines to form O 2 molecules.

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LewiRe233 LewiRe233

14-10-2020

Answer: I think the answer is 1

i just learned this about two weeks ago

Explanation:

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