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Fertiliser Technology

Fertiliser Technology
The main constituent of rock phosphate is

Fluorspar
Mono-calcium phosphate
None of these
Di-calcium phosphate

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Fertiliser Technology
Fauser Monte Catini converter is used for

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

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Fertiliser Technology
5-10-5 fertilisers mean that they contain

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

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Fertiliser Technology
Effectiveness of a fertiliser is independent of the

Type of crop
None of these
PH of soil
Nature of soil

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Fertiliser Technology
Maximum nitrogen percentage is in

Ammonium sulphate
Urea
Calcium ammonium nitrate
Liquid ammonia

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Fertiliser Technology
Fertiliser plants get their N₂ requirements

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

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