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What is the formula for corrosion …

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What is the formula for corrosion with copper, iron and silver?

    • Posted by Husita Patel 6 years ago

    CBSE > Class 10 > Science
    • 1 answers

    Yogita Ingle 6 years ago

    When copper or silver combines with oxygen, the process is known as corrosion or oxidation.

     When copper reacts with oxygen, then it produces copper oxide. The chemical equation of this reaction is

    4Cu + O2 → 2Cu2O, and forms Copper Oxide.

    Silver objects corrode slowly in the air due to the presence of H2S in the air. The chemical equation of this reaction is 2Ag + O2 → Ag2O.

     

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