What is rusting? Give word equation for the same. How does oiling of iron objects prevent
rusting?
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Rusting is a chemical change which takes place in presence of air and moisture. Iron oxide is formed by the reaction of iron with oxygen when iron objects are exposed to atmosphere. It is a reddish brown powder which is formed on the surface of iron and goes into the deeper layers.
Iron(Fe) +Oxygen(O2, from the air) +Water(H2O) -->Iron oxide(Fe2O3)
Hope it helps..
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