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Fertiliser Technology

Fertiliser Technology
Ammonium phosphate is a __________ fertiliser.

Phosphatic
Complex
Mixed
Nitrogenous

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Fertiliser Technology
NPK means a __________ fertiliser.

Potassic
Mixed
Solid
Liquid

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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

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

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Fertiliser Technology
P₂O₅ percentage in the phosphoric acid produced by wet process is about

70
30
10
50

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Fertiliser Technology
Action of phosphoric acid on rock phosphate produces

Diammonium phosphate
Nitrophosphate
Superphosphate
Triple superphosphate

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Fertiliser Technology
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

25
80
50
10

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