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Generally, a metal gets corroded due to ...

Generally, a metal gets corroded due to oxidation. Name a metal which becomes chemically resistant due to oxidation.

A

zinc

B

copper

C

aluminium

D

iron

Text Solution

Verified by Experts

The correct Answer is:
C

Aluminium, when exposed to the atmosphere, reacts with air, i.e.,` O_2`, and forms `Al_2O_3` which is chemically inert. This layer of `Al_2O_3` (alumina) makes aluminium passive.
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