Question

Iron forms rust when it reacts with
Hydrogen and oxygen
Oxygen and water
Carbon dioxide and hydrogen
Water and carbon dioxide
​

Answer 1

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✯ Iron forms rust when it reacts with Oxygen and Water...

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☞Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which is known as rust...

✯Word equation for the reaction:

☞Iron + Water + Oxygen → Hydrated Iron(III) Oxide

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Answer 2

Answer:

oxygen and water

Explanation:

because it need air and moisture