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Fertiliser Technology

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

Ammonia
Urea
Superphosphate
Triple superphosphate

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Fertiliser Technology
Which of the following gasifiers can be attached to coal based fertiliser plants?

Gasifier working at 20 atm
Lurgi (high pressure) gasifier
Kopper-Totzek gasifier
Gasifier working at 40 atm

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Fertiliser Technology
Action of phosphoric acid on rock phosphate produces

Superphosphate
Diammonium phosphate
Nitrophosphate
Triple superphosphate

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Fertiliser Technology
Triple superphosphate is made by reacting phosphate rock with __________ acid.

Phosphoric
Hydrochloric
Sulphuric
Nitric

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Fertiliser Technology
Catalyst used in Haber's process for ammonia production is

Nickel
Silica gel
Vanadium pentoxide
Reduced iron oxide

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Fertiliser Technology
Flushing liquor used for cooling coke oven gas constitutes of

Dilute H₂SO₄
Dilute HCl
K₂CO₃ solution
Ammoniacal liquor

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