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Which is a chemical property of iron? A. It forms iron oxide (rust) when exposed to moisture and air. B. It is a gray–black metal that is hard to the touch. C. It has a melting point of 2795°F (1536°C). D. It is a good conductor of heat.

Sagot :

Answer:

a

Explanation:

it corrodes after repeated exposure to excess moisture and dry air the rust itself can be turned back into iron after melting it and removing the waste