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Fertiliser Technology

Fertiliser Technology
Which of the following is not a measure component necessarily to be present in fertilisers?

Nitrogen
Sulphur
Potassium
Phosphorous

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

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

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Fertiliser Technology
pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.

43926
44178
44020
44084

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Fertiliser Technology
Catalyst used in desulphurisation of naphtha is

Pt-Rh
Nickel
Silica gel
Co-Mo

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Fertiliser Technology
Biuret formation in urea is kept at minimum (< 1 %), because it is

Helpful in decomposition of urea
Explosive in nature
Corrosive in nature
Toxic and harmful to some crops

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Fertiliser Technology
Prilling tower is found in the flowsheet for the manufacture of

Urea
Ammonia
Triple superphosphate
Superphosphate

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