Question

Aluminium is most reactive than copper according to reactivity series. Then why iron gets easily corroded bot aluminium does not ?

Answer 1

Answer:

Aluminum is more reactive than iron but it doesn't corrode It is because of aluminium oxide layer. Aluminium outer surface layer is oxidized whenever it came in contact with the air and so result in aluminium oxide layer which is resistive in nature and remain attached to it

Explanation:

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