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Fertiliser Technology

Fertiliser Technology
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

Udhe
Claude
Fauser-Monte Catini
Kellog

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Fertiliser Technology
The essential ingradient of all the synthesis gas is

O₂
CO₂
N₂
H₂

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

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

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Fertiliser Technology
Low grade phosphate rock can be used in electrical furnace, because

Of the better CaO/SiO₂ balance for slag formation
CaO content is less
It is cheap
It produces low cost product

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Fertiliser Technology
An increase in the NH₃/CO₂ ratio in urea manufacture results in

Decreased specific volume of molten mass
Decreased degree of conversion of NH₃ to urea
Increased degree of conversion of CO₂ to urea
Decreased yield of urea

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Fertiliser Technology
Which is the most suitable fertiliser for paddy?

Ammonium sulphate
Superphosphate
CAN
Ammonium nitrate

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