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What is metallie corrosion ? Give one ex...

What is metallie corrosion ? Give one example.

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Corrosion may be defined as the process of slow.conversion of metals into their undesirable compounds (usually oxides) by reaction with moisture and other gases present in the atmosphere.
Examples : The-rusting of iron (iron oxide) tranishing of silver (silver sulphide) dvelopment of green coating on copper (copper carbonate).
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