Explain why in moist air copper corrodes to produce a green layer on its surface
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Because it reacts with carbon dioxide to form green colour copper carbonate.
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Answer:
Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.
The chemical reaction is
2Cu + H2O + CO2 + O2 → Cu(OH)2 + CuCO3
Explanation:
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