Question
When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name:
- Substance oxidised, and
- Substance reduced.
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| Column I | Column II |
| (1) Cyclohexane | (a) $\mathrm{CH}_3 \mathrm{COOH}$ |
| (2) Methanol | (b) $\mathrm{CH}_3 \mathrm{Cl}$ |
| (3) Acetaldehyde | (c) $\mathrm{CH}_2 \mathrm{Cl}_2$ |
| (4) Ethanoic acid | (d) $\mathrm{CH}_3 \mathrm{OH}$ |
| (e) $\mathrm{C}_6 \mathrm{H}_{12}$ | |
| (f) $\mathrm{CH}_3 \mathrm{CHO}$ |