Chemistry, asked by rohanw349, 6 days ago

A porous (or non protective)film is formed by action oxygen on metal --------.
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Answered by ӋօօղցӀҽҍօօղցӀҽ
1

IT IS DUE TO THE PROCESS OF CORROSION... CORROSION IS THE PROCESS IN WHICH THE METALS CAME IN CONTACT WITH OXYGEN AND GET OXIDISED... SO A NEW KIND OF SUBSTANCE FORMS ON IT

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