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प्रश्न
Describe the laboratory method of preparation of ammonia
उत्तर
On a small scale, ammonia is prepared by decomposition of ammonium salts when treated with slaked lime. Moist ammonia is dried by passing over quick lime (CaO).
2NH4Cl + Ca(OH)2 `Delta /`> 2NH3 + CaCl2 + 2H2O
Ammonium Slaked lime Ammonia Calcium chloride
chloride
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