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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis gas is produced from natural gas by

Partial oxidation
Hydrogenation
Thermal cracking
Steam reforming

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Fertiliser Technology
In the manufacture of urea, the intermediate chemical formed is

Ammonium carbamate
Biuret
Ammonium carbonate
None of these

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Fertiliser Technology
Catalyst used in the manufacture of NH₃ by Haber's process is finely divided

Alumina
Nickel
Vanadium pentoxide
Iron

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Fertiliser Technology
Heating of orthophosphoric acid to about 900°C, produces

Pyrophosphoric acid
No change in it
Metaphosphoric acid
None of these

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Fertiliser Technology
Fauser Monte Catini converter is used for

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

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Fertiliser Technology
A mixture of phosphate rock __________ is heated in an electric furnace to produce phosphorous.

And sand
And coke
Salt & coke
Sand & coke

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