Chemistry · Metals and Non-metals
Copper metal gradually corrodes on prolonged exposure to moist air, forming a green coating on its surface. What is the chemical composition of this green substance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Basic copper carbonate [CuCO3·Cu(OH)2]✓
- 2Copper hydrogen carbonate and copper hydroxide
- 3Copper oxide and copper carbonate
- 4Copper oxide and copper hydroxide
Correct answer
Basic copper carbonate [CuCO3·Cu(OH)2]
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