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Fertiliser Technology

Fertiliser Technology
__________ is not a fertiliser.

Calcium ammonium nitrate
Ammonium sulphate
Ferrous sulphate
Liquid ammonia

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Fertiliser Technology
Main constituent of phosphate rock is

Calcium fluoride
Flour apatite
Calcium phosphate
Ammonium phosphate

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Fertiliser Technology
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

Coal/coke oven gas
Naphtha
Tar
Water

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Fertiliser Technology
Red phosphorous is changed into white phosphorous by

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

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Fertiliser Technology
Nitrolime is chemically known as

Ammonium nitrate
None of these
Calcium nitrate
Calcium ammonium nitrate (CAN)

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Fertiliser Technology
Triple superphosphate is chemically represented as

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

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