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Fertiliser Technology

Fertiliser Technology
Triple superphosphate is chemically represented as

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

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Fertiliser Technology
Reaction of calcium fluorapatite with sulphuric acid produces

Ortho-phosphoric acid
Simple superphosphate
Red phosphorous
Triple superphosphate

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Fertiliser Technology
Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and

Nitric acid
Ammonia
Nitric oxide
Ammonium nitrate

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Fertiliser Technology
Rock phosphate constitutes mainly of

Mono-calcium phosphate
Di-calcium phosphate
Fluorapatite
Di-ammonium 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
Natural
Coal

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Fertiliser Technology
Fauser Monte Catini converter is used for

None of these
Shift conversion (i.e. CO to CO₂)
Ammonia synthesis (e.g. at FCI Sindri)
Methanation of CO and CO₂

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