Physics · Chemical Reactions and Equations
'Heating a china dish containing copper powder makes the copper powder coated with a black substance (Copper oxide).' Which of the following balanced chemical equations is a correct representation of this statement?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1CuO + H2 → Cu + H2O
- 2Fe + CuSO4 → FeSO4 + Cu
- 32Cu + O2 → 2CuO✓
- 42Cu + O2 → 2CuO + O3
Correct answer
2Cu + O2 → 2CuO
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