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FERTILISER TECHNOLOGY

Fertiliser Technology
Reaction of orthophosphoric acid with phosphate rock produces

Metaphosphoric acid
Triple superphosphate
Superphosphate
Monoammonium phosphate

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

Nitrophosphate
Tributyl phosphate
Diammonium phosphate
Tricresyl phosphate

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Fertiliser Technology
Catalyst used in desulphurisation of naphtha is

Pt-Rh
Co-Mo
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?

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

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

50
80
10
25

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