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प्रश्न
A metal oxide that is reduced by hydrogen is
पर्याय
Al2O3
CuO
CaO
Na2O
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उत्तर
CuO
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संबंधित प्रश्न
The chemical formula for rust is.............. .
You are given the following chemical equation:
\[\ce{Mg_{(s)} + CuO_{(s)} -> MgO_{(s)} + Cu_{(s)}}\]
This equation represents:
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\[\ce{3Fe_{(s)} + 4H2O_{(g)} -> Fe3O4_{(s)} + 4H2_{(g)}}\]
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(iii) Water is acting as the reducing agent.
(iv) Water is acting as oxidising agent.
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Choose the odd one out and write the reason:
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