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Fertiliser Technology

Fertiliser Technology
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Highly hygroscopic
Mixed
Highly explosive
Complex

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Fertiliser Technology
Nitrogen content of urea is about __________ percent.

46
94
80
10

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Fertiliser Technology
Reaction of dilute sulphuric acid with phosphate rock produces

Phosphoric acid
Superphosphate
Gypsum
Triple superphosphate

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Fertiliser Technology
Vetrocoke solution is

A mixture of Na₂CO₃ and As₂O₃
A mixture of K₂CO₃ and As₂O₃
Na₂SO₄
K₂SO₄

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Fertiliser Technology
Main constituent of phosphate rock is

Calcium fluoride
Calcium phosphate
Ammonium phosphate
Flour apatite

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Fertiliser Technology
Nitrogen content of a nitrogenous fertiliser is 35%. It could be

Ammonium nitrate
Ammonium sulphate
Urea
Calcium ammonium nitrate (CAN)

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