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Question No. 30 When a copper vessel is exposed to moist air for long, it acquires a dull green coating which is a mixture of A) Copper hydroxide and copper nitrate B) Copper oxide and copper nitrate C) Copper carbonate and copper sulphate D) Copper hydroxide and copper carbonate |
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Answer» The CORRECT option is option DEXPLANATION: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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