Question

mention the composition of green colour substances found on copper vessels that are exposed to moist air for a long time​

Answer 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.

Explanation:

Answer 2

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When a copper vessel is exposed to moist air for long time acquires a dull green colour which is form due to the formation of basic carbonate due to its reaction with CO2 Present in the air. Explanation: ... Hence, the corroded coating of green color is copper carbonate which is basic in nature..