In the atmosphere of industrial smog, copper corrodes to form:

basic copper carbonate and sulphate

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copper oxide

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copper sulphide

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copper nitrate

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Solution

The correct option is C basic copper carbonate and sulphate
Architectural structures built with copper corrode to give green verdigris (copper carbonate). It can be a mixture of carbonate and sulfate compounds in various amounts, depending upon environmental conditions such as sulfur-containing acid rain.

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