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Fertiliser Technology

Fertiliser Technology
Low grade coal is __________ to produce ammonia synthesis gas.

Liquefied
Hydrogenated
Gasified
Dehydrogenated

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Fertiliser Technology
__________ is required more for leafy crops.

Potassium
Carbon
Nitrogen
Phosphorous

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Fertiliser Technology
Temperature and pressure in urea autoclave is

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

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Fertiliser Technology
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.

Stengel
Du-pont's
Haber's
Le-chatlier's

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Fertiliser Technology
A phosphatic fertiliser contains 16% P₂O₅. It could be

Superphosphate
Triple superphosphate
Dicalcium phosphate
None of these

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Fertiliser Technology
The main constituent of rock phosphate is

None of these
Mono-calcium phosphate
Fluorspar
Di-calcium phosphate

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