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Fertiliser Technology

Fertiliser Technology
A phosphatic fertiliser contains 16% P₂O₅. It could be

Superphosphate
None of these
Triple superphosphate
Dicalcium phosphate

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Fertiliser Technology
A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

Producer
Coke oven
Coal
Natural

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Fertiliser Technology
Reaction of anhydrous liquid ammonia with orthophosphoric acid produces

Triple superphosphate
Ammonium phosphate
None of these
Superphosphate

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

Heating in presence of light
Vaporisation followed by condensation
Melting under pressure
None of these

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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

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

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Fertiliser Technology
Triple superphosphate is chemically represented as

Ca(PO₃)₂
Ca(H₂PO₄)₂
CaF₂.3Ca₃(PO₄)₂
3Ca₃(PO₄)₂

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