what is rust
give answer according to class 8
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3
Explanation:
reddish-brown substance that forms on the surface of iron, etc., caused by the action of air and water.
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7
Explanation:
Corrosion of iron is called rusting. Rusting is a process in which iron metal reacts with moist air (water + oxygen) present in the atmosphere to form iron oxide, Fe2O3, which is reddish brown in colour. Rusting of iron leads to very heavy damage to the substance. Thus, it should be prevented.
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