Question

how corrosion was different from rusting

Answer 1

Corrosion:- is nothing but it is a chemical reaction (most likely a oxidation process) in which wearing of metal takes place . Here the metal can be anything iron, copper etc . Rusting :-This is a part of corrosion in which Iron reacts with water or moist air to form iron oxides and therebycorrosion takes place .

Answer 2

Corrosion you can see in copper and silver but rusting is in iron. Both are due oxidation