justify the statement that : 'Rusting of iron is corrosion and it is a chemical changes".
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A thin layer of Iron oxide is formed on the surface. rusting is a chemical change because in this process iron in contact with air and moisture get converted into rust which is a new substance and it not reversible. therefore rusting is a chemical change.
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Iron a metal reacts with moisture in air to form ferrous oxide known to us as Rust .As this rust decreases the quality of object and also iron starts coming out from object in fragments so this is corrosion and also two substances react with each other to form a third sentence so it is also a chemical reaction...
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