Chemistry · Metals and Non-metals
A copper vessel, when exposed to humid air for a long time, acquires a dull green coating on its outer surface. The green material is a mixture of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Copper carbonate and copper hydroxide✓
- 2Copper carbonate and copper sulphate
- 3Copper hydroxide and copper sulphate
- 4Copper sulphate and copper oxide
Correct answer
Copper carbonate and copper hydroxide
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