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

Generally a metal gas corroded due to oxidation. Name a meral which be

1.	Generally a metal gas corroded due to oxidation. Name a meral which becomes chemically resistant due to oxidantion.
Answer» Zinc Copper Aluminium Iron Solution :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.