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Fertiliser Technology

Fertiliser Technology
Maximum stability of white phosphorous is at

Very high pressure
Atmospheric pressure
>600°C
Room temperature

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Fertiliser Technology
Chemical formula of biuret is

NH₃.COO.NH₃
NH₄COONH₂
NH₂.CO.NH₂
NH₂CONHCONH₂

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Fertiliser Technology
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

Baroda (under G.S.F.C.)
Rourkela (under SAIL)
Bokaro (under SAIL)
Sindri (under FCI)

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Fertiliser Technology
Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by

Adsorption on palladium
None of these
Cryogenic operations (low temperature cooling)
Absorption (using ethanolamine or pyragalloll solution)

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Fertiliser Technology
Phosphorus vapour comprises of

P₂
P₃
P
P₄

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Fertiliser Technology
Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process.

Le-chatlier's
Stengel
Du-pont's
Haber's

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