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Generally a metal gas corroded due to oxidation. Name a meral which becomes chemically resistant due to oxidantion.

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Generally a metal gas corroded due to oxidation. Name a meral which becomes chemically resistant due to oxidantion.
A. Zinc
B. Copper
C. Aluminium
D. Iron
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Aluminium, when exposed to the atmosphere, rects with air, that is `O_(2)` and forms `AI_(2)O_(3)` which is chemically inert. This layer of `AI_(2)O_(3)` (alumina) makes aluminium passive.
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