What is meant by corrosion?
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______Corrosion ______
it is the oxidation deterioration of metal surface with the action of its environment to form unwanted corrosion products like oxides , sulphides , carbonates , suphates.
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it is usually affects metallic substances and typically produce oxide, or salts of metals , e.g. conversion of iron to rust [Fe₂O₃.xH₂O] , tarnishing of silver ( due to formation of Ag₂O) , developing of a green coating on copper and bronze .
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it is the oxidation deterioration of metal surface with the action of its environment to form unwanted corrosion products like oxides , sulphides , carbonates , suphates.
_______________________________________________
it is usually affects metallic substances and typically produce oxide, or salts of metals , e.g. conversion of iron to rust [Fe₂O₃.xH₂O] , tarnishing of silver ( due to formation of Ag₂O) , developing of a green coating on copper and bronze .
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