give the chemical equation of corrosion of copper,iron and silver
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When copper or silver combines with oxygen, the process is known as corrosion or oxidation. ... 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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corrosion . Fe2O3.Xh20
copper. cu
iron. Fe
silver..Ag.
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