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Fertiliser Technology

Fertiliser Technology
Nitrogen content of a nitrogenous fertiliser is 35%. It could be

Ammonium sulphate
Calcium ammonium nitrate (CAN)
Urea
Ammonium nitrate

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Fertiliser Technology
In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable

Metaphosphoric acid
CaSO₄ .½H₂O and CaSO₄ crystals
Pyrophosphoric acid
All of these

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Fertiliser Technology
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

Sulphuric
Hydrochloric
Neither A nor B
Either A or B

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

Nitrogen
Phosphorous
Potassium
Calcium

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

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

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Fertiliser Technology
Urea is a __________ fertiliser.

None of these
Potassic
Phosphatic
Nitrogenous

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