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Question
In laboratory ammonia is prepared by heating:
Options
Nitrogen and hydrogen
Ammonium chloride with calcium hydroxide
Calcium cyanamide with water
Ammonium chloride with sodium hydroxide
MCQ
Solution
Ammonium chloride with sodium hydroxide
Explanation:
On a small scale, ammonia can be prepared by treating ammonium chloride or ammonium sulphate with sodium hydroxide or calcium hydroxide. It is also prepared by hydrolysis of magnesium nitride.
\[\ce{NH4Cl + NaOH -> NH3 + NaCl + H2O}\]
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