Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?

Related Mcqs:

Urea is a better fertilizer than ammonium sulphate, because__________________?

A. It is cheaper B. Nitrogen content is higher C. It is not poisonous D. It is easy to manufacture...

Reaction of Cresylic acid with _____________ produces Tricresyl phosphate?

A. Phosphorous pentoxide B. Phosphorous oxychloride C. Ammonium phosphate D. Calcium phosphate...

The optimum size of the ammonia plant is ______________ tons/day?

A. 10 B. 100 C. 1000 D. 1000...

Reaction of ortho-phosphoric acid with phosphate rock produces _________________?

A. Superphosphate B. Triple superphosphate C. Meta-phosphoric acid D. Monoammonium phosphate...

Ammonia synthesis gas is produced from natural gas by___________________?

A. Thermal cracking B. Steam reforming C. Partial oxidation D. Hydrogenation...