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Fertiliser Technology

Fertiliser Technology
H₃PO₄ is the chemical formula of __________ phosphoric acid.

Ortho
Meta
None of these
Pyro

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Fertiliser Technology
__________ is required more for leafy crops.

Phosphorous
Nitrogen
Potassium
Carbon

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Fertiliser Technology
Potassic fertiliser is graded based on its __________ content.

KNO₃
K₂O
K₂SO₄
KCl

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Fertiliser Technology
__________ is the most suitable fertiliser for paddy.

Potassium nitrate
Urea
Ammonium sulphate
Superphosphate

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

Heating in presence of light
Melting under pressure
Vaporisation followed by condensation
None of these

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Fertiliser Technology
The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

30
60
100
95

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