What happens when Copper vessel is exposed to moist air for a long time. Explain with the help of balanced chemical equations.
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Copper forms a green deposit on its surface when exposed to air which is usually a mixture of copper carbonate and copper hydroxide.Explanation:
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When copper vessel is exposed to moist air for long period of time then it undergoes various chemical reactions. As the metal reacts with various chemicals and gases present in the atmosphere and it results in the formation of copper carbonate which is green in color.
Hence, the corroded coating of green color is copper carbonate which is basic in nature.
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