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Fertiliser Technology

Fertiliser Technology
Commercial fertilisers are available mostly in the form of

Flakes
Powder
Lumps
Grannules

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Fertiliser Technology
Lower temperature and large excess of ammonia in urea melt

Decreases biuret formation
Increases biuret formation
Does not effect biuret formation
Is undersirable

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Fertiliser Technology
Superphosphate is manufactured by reacting phosphate rock with

Aluminium chloride
Acetic acid
None of these
Sulphuric acid

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

Mixed
Highly explosive
Complex
Highly hygroscopic

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Fertiliser Technology
Raw materials for nitric acid manufacture are

Anhydrous ammonia and air
Anhydrous ammonia, air and water
Hydrogen peroxide, air and water
Wet ammonia, air and water

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Fertiliser Technology
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

5
20
50
65

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