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Fertiliser Technology

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

Phosphoric
Hydrochloric
Nitric
Sulphuric

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Fertiliser Technology
Vetrocoke solution is

Na₂SO₄
A mixture of Na₂CO₃ and As₂O₃
K₂SO₄
A mixture of K₂CO₃ and As₂O₃

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Fertiliser Technology
Maximum nitrogen percentage is in

Urea
Calcium ammonium nitrate
Liquid ammonia
Ammonium sulphate

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Fertiliser Technology
P₂O₅ content in triple superphosphate is about __________ percent.

15-20
42-50
85-90
70-75

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Fertiliser Technology
Prilling tower is found in the flowsheet for the manufacture of

Ammonia
Urea
Superphosphate
Triple superphosphate

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Fertiliser Technology
Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by

Increasing the temperature
Decreasing the pressure
None of these
Decreasing the temperature

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