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Fertiliser Technology

Fertiliser Technology
Monte catini process is a widely used process for the manufacture of

None of these
Calcium ammonium nitrate
Triple superposphate
Urea

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

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

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Fertiliser Technology
In calcium ammonium nitrate (CAN) fertil-ser

Nitrate nitrogen is quick acting
Ammoniacal nitrogen is quick acting
None of these
Nitrate nitrogen is slower acting

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Fertiliser Technology
Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.

Catalytic
Reversible
Exothermic
Endothermic

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Fertiliser Technology
Phosphorus vapour comprises of

P₂
P
P₃
P₄

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Fertiliser Technology
5-10-5 fertilisers mean that they contain

Only 5 to 10% active fertiliser constituents
5 to 10% filler & carrier of soil conditioners
5, 10, 5% respectively of N₂, P₂O₅ and K₂O
None of these

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