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प्रश्न
On passing ammonia over heated copper oxide, the gas evolved is ______.
विकल्प
oxygen
ammonia
nitrogen
nitric oxide
MCQ
रिक्त स्थान भरें
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उत्तर
On passing ammonia over heated copper oxide, the gas evolved is nitrogen.
Explanation:
Heated copper oxide (CuO) acts as an oxidizing agent and oxidizes ammonia gas to release nitrogen gas (N2), reducing itself to metallic copper.
\[\ce{3CuO + 2NH3 -> 3Cu + 3H2O + N2 ^}\]
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