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Fertiliser Technology

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

None of these
Chile salt petre
Oilcake
Gobar mannure

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Fertiliser Technology
NPK fertiliser is a __________ fertiliser.

Complex
Mixed
Nitrogenous
Phosphatic

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Fertiliser Technology
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.

Exothermic
Autocatalytic
Non-catalytic
Endothermic

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Fertiliser Technology
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium

Bicarbonate
Phosphate
Silicate
Carbonate

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

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

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Fertiliser Technology
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.

Either A or B
Hydrochloric
Neither A nor B
Sulphuric

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