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Fertiliser Technology

Fertiliser Technology
A nitrogenous fertiliser contains 20% N₂. It could be

Urea
Calcium ammonium nitrate (CAN)
Ammonium chloride
Ammonium nitrate

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Fertiliser Technology
Dehydration of ammonium carbamate produces

Ammonia water
None of these
Biuret
Urea

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Fertiliser Technology
Gas based fertiliser plants use

Coal gas as a source of hydrogen
Coal gas as heating medium
Natural gas as heating medium
Natural gas as a source of hydrogen

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Fertiliser Technology
Base suspension fertiliser essentially contains

43% K₂O and 43% P₂O₅
43% N₂ and 13% P₂O₅
13% N₂ and 43% P₂O₅
43% N₂ and 13% K₂O

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Fertiliser Technology
Reaction of cresylic acid with __________ produces tricresyl phosphate.

Phosphorous pentoxide
Ammonium phosphate
Calcium phosphate
Phosphorous oxychloride

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

Hydrochloric
Sulphuric
Phosphoric
Nitric

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