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Fertiliser Technology

Fertiliser Technology
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

5
65
50
20

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Fertiliser Technology
Ammonia synthesis gas is produced from fuel oil by

Hydrogenation
Steam reforming
Hydrocracking
Partial oxidation

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Fertiliser Technology
Tricresyl phosphate is chemically represented as

NH₄H₂PO₄
Ca₁₀(PO₄)3F₆
(CH₃ C₆ H₄)₃ PO₄
(NH₄)₂HPO₄

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Fertiliser Technology
With increases in pressure, the conversion of ammonium carbamate into urea

Remains unaltered
Increases
Can either increase or decrease depends on biuret content
Decreases

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Fertiliser Technology
Which nutrient in fertiliser makes the plant stems stronger and increases branching?

Nitrogen
Calcium
Phosphorous
Potassium

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Fertiliser Technology
Lower temperature and large excess of ammonia in urea melt

Increases biuret formation
Is undersirable
Does not effect biuret formation
Decreases biuret formation

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