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Fertiliser Technology

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

Dilute HCl
Ammoniacal liquor
K₂CO₃ solution
Dilute H₂SO₄

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Fertiliser Technology
A fertiliser contains 82% N₂. It could be

Urea
Ammonium nitrate
Liquid NH₃
None of these

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Fertiliser Technology
Fertiliser plants get their N₂ requirements

By dissociating oxides of nitrogen
By fractionation of liquified air
From producer gas
From coal gas (coke oven gas)

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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?

Calcium cyanamide
CAN
Urea
Ammonium sulphate

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Fertiliser Technology
NPK means a __________ fertiliser.

Potassic
Solid
Liquid
Mixed

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Fertiliser Technology
Temperature and pressure in ammonia converter is

450 atm, 1000°C
450 atm, 550°C
450 atm, 200°C
200 atm, 1000°C

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