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Fertiliser Technology

Fertiliser Technology
Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is

Endothermic
None of these
Autocatalytic
Exothermic

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Fertiliser Technology
Tricresyl phosphate is chemically represented as

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

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Fertiliser Technology
Which of the following is a natural inorganic fertiliser?

Oilcake
None of these
Gobar mannure
Chile salt petre

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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
5-10-5 fertilisers mean that they contain

None of these
Only 5 to 10% active fertiliser constituents
5 to 10% filler & carrier of soil conditioners
5, 10, 5% respectively of N₂, P₂O₅ and K₂O

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Fertiliser Technology
__________ is the most suitable fertiliser for paddy.

Potassium nitrate
Urea
Superphosphate
Ammonium sulphate

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