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Work out the following using chemical eq...

Work out the following using chemical equation.
In moist air, copper corrodes to produce a green layer on the surface?

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In moist air, copper corrodes to produce a green layer on the surface due to the following slow reaction. Basic copper carbonate is formed.
`Cu+H_2O+CO_2+O_2toCuCO_3.Cu(OH)_2`
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