1. What happens when copper vessel is exposed to moist air for a long time?
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2
Explanation:
When a copper vessel is exposed in moist air for a long time, it acquires a dull green coating. The green substance is the mixture of copper hydroxide and copper carbonate
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1
Answer:
Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.
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