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Fertiliser Technology

Fertiliser Technology
Urea is a __________ fertiliser.

Phosphatic
None of these
Potassic
Nitrogenous

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Fertiliser Technology
Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by

Cryogenic separation of hydrogen from coke oven gas
All of these
Electrolysis of water
Steam reforming of naphtha and cracking of natural gas

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Fertiliser Technology
__________ is required more for leafy crops.

Potassium
Phosphorous
Nitrogen
Carbon

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Fertiliser Technology
Which of the following fertilisers is used as a cattle feed?

Superphosphate
Calcium ammonium nitrate
Urea
Ammonium sulphate

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Fertiliser Technology
In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process

Is very costly
Uses lower grade phosphate rock
Requires lower capital investment in the plant
Produces lower purity acid

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Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Nitrogenous
Phosphatic
Mixed
Complex

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