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Fertiliser Technology

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

Urea
Superphosphate
Ammonia
Triple superphosphate

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Fertiliser Technology
During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent.

82
98
38
68

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Fertiliser Technology
Color of nitric acid is light yellow due to the presence of

NH₃
NO
NO₂
N₂H₅

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Fertiliser Technology
Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Rourkela (under SAIL)
Barauni (under HFC)
Nangal (under NFL)
Talchar (under FCI)

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Fertiliser Technology
Which of the following nitrogenous fertilisers has the highest percentage of nitrogen?

Calcium nitrate
Calcium ammonium nitrate (CAN)
Urea
Ammonium sulphate

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Fertiliser Technology
Which of the following does not come under the category of'primary nutrient' for plant growth?

Phosphorous
Nitrogen
Sulphur
Potassium

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