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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis reaction is

Autocatalytic
Exothermic
Endothermic
None of these

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Fertiliser Technology
Catalyst used in the manufacture of NH₃ by Haber's process is finely divided

Alumina
Nickel
Vanadium pentoxide
Iron

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Fertiliser Technology
The essential ingradient of all the synthesis gas is

O₂
H₂
CO₂
N₂

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

Ortho
Meta
Pyro
None of these

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Fertiliser Technology
Effectiveness of a fertiliser is independent of the

Type of crop
None of these
Nature of soil
PH of soil

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

None of these
Superphosphate
Triple superphosphate
Dicalcium phosphate

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