A) hydrolysis of calcium carbide
B) hydrolysis of calcium cyanamide
C) electrolysis of calcium cyanamide
D) direct combination of nitrogen and hydrogen by electric discharge
Correct Answer: B
Solution :
Cyanamide process: hydrolysis of calcium cyanamide with superheated steam at 450 K is an important method for the manufacture of ammonia \[\underset{\text{Calcium}\,\text{Cyanamide}}{\mathop{CaC{{N}_{2}}+3{{H}_{2}}O}}\,\xrightarrow{{}}CaC{{O}_{3}}+2N{{H}_{3}}\]
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