Surface of a reactive metal may be attacked by air, water or other sub – McqOptions

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1.	Surface of a reactive metal may be attacked by air, water or other substances causing corrosion. Corrosion of iron is called rusting. The product formed by rusting is:
A.	rust
B.	a brown solid
C.	Both of these
D.	None of these
Answer» D. None of these

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