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Fertiliser Technology

Fertiliser Technology
Nitrogen content of urea is about __________ percent.

10
94
80
46

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Fertiliser Technology
Liquid ammonia is not used as such a fertiliser in tropical countries like India, because

Its N₂ content is very low
It is not available
It will evaporate on spraying
It is very costly

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Fertiliser Technology
Prilling tower is found in the flowsheet for the manufacture of

Urea
Triple superphosphate
Superphosphate
Ammonia

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Fertiliser Technology
Catalyst used in ammonia synthesis uses __________ as a promoter.

Al2O₃
Pt
K₂O
Ni

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Fertiliser Technology
Action of phosphoric acid on rock phosphate produces

Triple superphosphate
Superphosphate
Nitrophosphate
Diammonium phosphate

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Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Complex
Nitrogenous
Mixed
Phosphatic

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