Chemistry · Chemical Reactions
When copper powder in a china dish is heated, the surface of the copper powder is coated with a black substance. This is due to the formation of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1CuCO3
- 2Cu(OH)2
- 3Cu2O
- 4CuO✓
Correct answer
CuO
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