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Fertiliser Technology

Fertiliser Technology
Catalytic ammonia synthesis reaction as in Haber's process is

None of these
Exothermic
Endothermic
Irreversible

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Fertiliser Technology
Reaction of calcium fluorapatite with sulphuric acid produces

Simple superphosphate
Triple superphosphate
Red phosphorous
Ortho-phosphoric acid

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Fertiliser Technology
(CH₃ C₆ H₄)₃ PO₄ is the chemical formula of

Superphosphate
Tricresyl phosphate
Flourapatite
Triple superphosphate

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Fertiliser Technology
Nitro-phosphate (manufactured at Trom-bay) is a __________ fertiliser.

Complex
Highly explosive
Highly hygroscopic
Mixed

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Fertiliser Technology
__________ is required more for leafy crops.

Nitrogen
Phosphorous
Potassium
Carbon

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Fertiliser Technology
P₂O₅ content in superphosphate is about __________ percent.

15-20
85-90
65-70
30-35

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