A) anhydrous \[CaC{{l}_{2}}\]
B) cone \[{{H}_{2}}S{{O}_{4}}\]
C) \[{{P}_{2}}{{O}_{5}}\]
D) \[CaO\]
Correct Answer: B
Solution :
Obtained ammonia contains moisture \[({{H}_{2}}O)\]. It is dried by using quick lime \[(CaO)\].
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