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Fertiliser Technology

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

Triple superposphate
Calcium ammonium nitrate
Urea
None of these

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Fertiliser Technology
Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst.

Improving the strength & heat resistance
Increasing the effectiveness
All of these
Stabilisation

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Fertiliser Technology
Fauser Monte Catini converter is used for

Methanation of CO and CO₂
None of these
Ammonia synthesis (e.g. at FCI Sindri)
Shift conversion (i.e. CO to CO₂)

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Fertiliser Technology
__________ is the undesirable by-product produced in the manufacture of urea.

Carbon dioxide
Biuret
Ammonium carbonate
Ammonium carbamate

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Fertiliser Technology
Optimum reaction temperature in steam reforming of naphtha is __________ °C.

100-200
700 - 1000
300 - 450
1500-1700

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Fertiliser Technology
Phosphorus vapour comprises of

P₃
P
P₂
P₄

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