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Fertiliser Technology

Fertiliser Technology
Ammonia synthesis gas is produced from fuel oil by

Hydrogenation
Hydrocracking
Steam reforming
Partial oxidation

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Fertiliser Technology
Base suspension fertiliser essentially contains

43% N₂ and 13% P₂O₅
13% N₂ and 43% P₂O₅
43% K₂O and 43% P₂O₅
43% N₂ and 13% K₂O

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

Nickel
Alumina
Iron
Vanadium pentoxide

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Fertiliser Technology
Raw materials for urea production are

NH₃ and CO
CO₂ and N₂
HNO₃ and CaCO₃
CO₂, H₂ and N₂

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Fertiliser Technology
A fertiliser contains 82% N₂. It could be

Ammonium nitrate
Urea
Liquid NH₃
None of these

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Fertiliser Technology
Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil.

All of these
Texture
Nutrient supply
Water holding capacity

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