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Fertiliser Technology

Fertiliser Technology
NPK means a __________ fertiliser.

Solid
Liquid
Mixed
Potassic

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Fertiliser Technology
In natural gas, the C/H ratio (by weight) varies in the range of

44053
20-25
15-17
43894

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

Pyrophosphoric acid
None of these
Metaphosphoric acid
No change in it

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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
Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C.

1400-1450
950-1050
500-750
250-300

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Fertiliser Technology
Reaction of nitric acid and sulphuric acid with phosphate rock produces

Tricresyl phosphate
Diammonium phosphate
Nitrophosphate
Tributyl phosphate

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