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5 votes
How are the properties of iron and oxygen different from the compound iron oxide (rust)?

Choose all answers that are correct.

A.
Iron is a hard metal.

B.
Lead is a compound in iron oxide.

C.
Iron oxide is orange and crumbly.

D.
Oxygen is a colorless and odorless gas.

User Mvp
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2 Answers

5 votes
C or D......................................................................
User Minkiele
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4 votes
I believe the answer is D.
User BUKTOP
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