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Fertiliser Technology

Fertiliser Technology
Catalytic ammonia synthesis reaction as in Haber's process is

Irreversible
Endothermic
None of these
Exothermic

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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
0.62569444444444
1.5:1
3.5:1

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Fertiliser Technology
Maximum nitrogen percentage is in

Ammonium sulphate
Urea
Calcium ammonium nitrate
Liquid ammonia

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Fertiliser Technology
Potassic fertiliser is graded based on its __________ content.

KNO₃
K₂O
KCl
K₂SO₄

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Fertiliser Technology
Effectiveness of a fertiliser is independent of the

None of these
Type of crop
PH of soil
Nature of soil

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

Melting under pressure
Vaporisation followed by condensation
None of these
Heating in presence of light

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