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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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4 votes
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.

User Shawn Guo
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4.6k points

1 Answer

3 votes

Answer: I think the answer is 1

i just learned this about two weeks ago

Step-by-step explanation:

User Amit Joki
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5.3k points
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