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Fertiliser Technology

Fertiliser Technology
Temperature and pressure in urea autoclave is

400°C and 550 atm
200°C and 10 atm
190°C and 200 atm
120°C and 300 atm

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Fertiliser Technology
Ammonia synthesis gas is produced from natural gas by

Partial oxidation
Hydrogenation
Steam reforming
Thermal cracking

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Fertiliser Technology
Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?

CAN
Calcium cyanamide
Ammonium sulphate
Urea

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Fertiliser Technology
Reaction of __________ acid with phosphate rock produces superphosphates.

Hydrochloric
Sulphuric
Phosphoric
Nitric

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Fertiliser Technology
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of

Flourapatite
Superphosphate
Tricresyl phosphate
Triple superphosphate

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Fertiliser Technology
Catalyst used in steam reforming of naphtha is

Rhodium
Silica gel
Nickel
Platinum

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