how corossion is useful as well as harmful
Answers
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▶ useful effects of carrosine :-
In the most common use of the word, this means electrochemical oxidation of metal in reaction with an oxidant such as oxygen or sulfates. Rusting, the formation of iron oxides, is a well-known example of electrochemicalcorrosion. Because corrosion is a diffusion-controlled process, it occurs on exposed surfaces.
▶harmful effects of carrosine :-
Corrosion is the destructive attack of a material by electo/chemical reaction with its environment. For most of us,corrosion is the degradation of metals that is often called rust. The corrosionresistance of any material depends on the environment to which it is exposed.
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Heya User here u go
There are some advantages of corrosion. Surface corrosion forms an oxide layer. It acts as a barrier for air and moisture and thereby preventing the inner metal from corrosion. Some metals like zinc act as sacrificial anodes to prevent corrosion to other metals.
Corrosion is even a destructive attack of a material by chemical reaction with its environment. For most of us, corrosion is the degradation of metals that is often called rust. The corrosion resistance of any material depends on the environment to which it is exposed.