Question

Iron article undergo complete corrosion but aluminium does not.
Give reason.
CLASS-10 METALS AND NON-METALS.​

Answer 1

Answer:

Iron and steel rust when they come into contact with water and oxygen. They rust faster in salty water or acid rain. Aluminium, on the other hand, does not corrode easily, because its surface is protected by a layer of aluminium oxide.

Explanation:

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Answer 2

Answer: Iron and steel rust when they come into contact with water and oxygen. They rust faster in salty water or acid rain. Aluminium, on the other hand, does not corrode easily, because its surface is protected by a layer of aluminium oxide.