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Fertiliser Technology

Fertiliser Technology
Out of the following, N₂ content is minimum in

Urea
Ammonium sulphate
Ammonium nitrate
Ammonium chloride

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Fertiliser Technology
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Low bulk density product
Biuret formation
Non-spherical prills
Substantially wet non-flowing and sticky product

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Fertiliser Technology
Superphosphate is manufactured by reacting phosphate rock with

Acetic acid
None of these
Aluminium chloride
Sulphuric acid

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Fertiliser Technology
CO₂ present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in

Methyl-Ethyl Ketone (MEK)
Mono-ethanolamine (MEA)
Slaked lime
Ammoniacal liquor

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

K₂SO₄
K₂O
KCl
KNO₃

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Fertiliser Technology
Calcium ammonium nitrate (CAN) is

A straight fertiliser
A complex fertiliser
A mixed fertiliser
Not a fertiliser ; it is an explosive

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