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Fertiliser Technology

Fertiliser Technology
Flushing liquor used for cooling coke oven gas constitutes of

Ammoniacal liquor
Dilute H₂SO₄
K₂CO₃ solution
Dilute HCl

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Fertiliser Technology
Which is the best fertiliser for paddy?

Nitro-phosphate
Superphosphate
Potassium nitrate
Ammonium sulphate

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Fertiliser Technology
Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?

0.41736111111111
1.5:1
0.62569444444444
3.5:1

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Fertiliser Technology
Ammonia synthesis gas is produced from fuel oil by

Hydrocracking
Steam reforming
Partial oxidation
Hydrogenation

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Fertiliser Technology
H₃PO₄ is the chemical formula of __________ phosphoric acid.

None of these
Ortho
Meta
Pyro

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Fertiliser Technology
Yield of elemental phosphorous from rock phosphate is about __________ percent.

60-65
15-25
40-45
1-2

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