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Fertiliser Technology

Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Mixed
Phosphatic
Complex
Nitrogenous

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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.

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

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Fertiliser Technology
Monte catini process is used for the manufacture of

Urea
Nitric acid
Calcium ammonium nitrate (CAN)
Phosphoric acid

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

Exothermic
Catalytic
Reversible
Endothermic

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Fertiliser Technology
Urea is represented as

NH.CO₂.NH
NH₃CO.CH₃
NH₂.CO.NH₂
NH₃.CO₂.NH₃

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Fertiliser Technology
Triple superphosphate is made by reacting phosphate rock with __________ acid.

Phosphoric
Sulphuric
Nitric
Hydrochloric

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