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Fertiliser Technology

Fertiliser Technology
Maximum nitrogen percentage is in

Urea
Ammonium sulphate
Calcium ammonium nitrate
Liquid ammonia

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

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

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Fertiliser Technology
Triple superphosphate is chemically represented as

CaF₂.3Ca₃(PO₄)₂
Ca(H₂PO₄)₂
Ca(PO₃)₂
3Ca₃(PO₄)₂

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Fertiliser Technology
A phosphatic fertiliser contains 16% P₂O₅. It could be

None of these
Triple superphosphate
Superphosphate
Dicalcium phosphate

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Fertiliser Technology
Oxidation of ammonia is

Exothermic
Endothermic
Autocatalytic
Non-catalytic

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Fertiliser Technology
Phosphorus vapour comprises of

P
P₄
P₃
P₂

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