Chemistry
(a) For each of the substances given below, what is the role played in the preparation of NH3 (ammonia)
(a) CaO
(b) Mo
Ammonia
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Answer
(a) CaO is used as a drying agent. In order to get dry ammonia, the gas is passed through a drying tower containing lumps of quicklime [CaO].
(b) Mo acts as a promoter i.e., it increases the efficiency of the catalyst.
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