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FERTILISER TECHNOLOGY

Fertiliser Technology
Reaction of orthophosphoric acid with phosphate rock produces

Monoammonium phosphate
Triple superphosphate
Metaphosphoric acid
Superphosphate

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Fertiliser Technology
Reaction of nitric acid and sulphuric acid with phosphate rock produces

Nitrophosphate
Diammonium phosphate
Tricresyl phosphate
Tributyl phosphate

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Fertiliser Technology
Catalyst used in desulphurisation of naphtha is

Co-Mo
Pt-Rh
Nickel
Silica gel

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Fertiliser Technology
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis?

Steam reforming of naphtha
Cracking of natural gas
Electrolysis of water
H? separation from coke oven gas

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Fertiliser Technology
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

25
10
50
80

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