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प्रश्न
Explain the following in terms of gain or loss of oxygen with one example:
Reduction
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उत्तर
The loss of oxygen from a substance is also called reduction.
When copper(II) oxide is heated with hydrogen gas, it loses its oxygen to form copper metal and water.
\[\ce{CuO + H2 ->[Heat] Cu + H2O}\]
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संबंधित प्रश्न
Why is photosynthesis considered an endothermic reaction?
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Reduction
In the reaction represented by the following equation:
\[\ce{CuO_{(s)} + H2_{(g)} -> Cu_{(s)} + H2O_{(l)}}\]
- name the substance oxidised
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| OPTION | Substance Oxidized | Reducing Agent |
| A | Fe | Fe |
| B | Fe | FeSO4 |
| C | Cu | Fe |
| D | CuSO4 | Fe |
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