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Fertiliser Technology

Fertiliser Technology
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

65
50
5
20

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Fertiliser Technology
Base suspension fertiliser essentially contains

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

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Fertiliser Technology
In an ammonia plant, the purge off is essential to

Maintain H₂ : N₂ ratio at 3 :1
Remove excess poisonous gases
Maintain inert gas concentration within a limit
Remove uncondensed ammonia vapour

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Fertiliser Technology
Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

CO₂ & H₂SO₄
HNO₃ & limestone
HNO₃ & NH₄Cl
CO₂ & KNO₃

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Fertiliser Technology
Two gas based fertiliser plants are located in

Jharkhand and Chattisgarh
Maharashtra and Orissa
Gujarat and Madhya Pradesh
Maharashtra and Gujarat

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Fertiliser Technology
Main component of bone ash is

Sodium phosphate
Calcium phosphate
Calcium carbonate
Calcium sulphate

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