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Fertiliser Technology

Fertiliser Technology
Out of the following, N₂ content is minimum in

Ammonium nitrate
Ammonium sulphate
Ammonium chloride
Urea

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Fertiliser Technology
Chemical formula of biuret is

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

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Fertiliser Technology
Fertiliser plants get their N₂ requirements

From producer gas
By dissociating oxides of nitrogen
From coal gas (coke oven gas)
By fractionation of liquified air

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

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

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Fertiliser Technology
Main constituent of phosphate rock is

Calcium phosphate
Calcium fluoride
Ammonium phosphate
Flour apatite

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Fertiliser Technology
Tricresyl phosphate is chemically represented as

NH₄H₂PO₄
Ca₁₀(PO₄)3F₆
(NH₄)₂HPO₄
(CH₃ C₆ H₄)₃ PO₄

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