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प्रश्न
What do you observe when Ammonia is passed over heated lead oxide.
एक पंक्ति में उत्तर
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उत्तर
On passing ammonia over heated lead oxide yellow coloured lead
monoxide is reduced to grey coloured lead metal.\
\[\ce{3PbO + 2NH3 ->[\Delta] 3Pb + 3H2O + N2}\]
yellow grey
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