Chemical Engineering :: Fertiliser Technology
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During conversion of ammonium carbamate into urea, presence of large excess of water
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Pick out the wrong statement.
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Ammonium nitrate (a fertiliser) is coated with limestone powder to
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Action of phosphoric acid on rock phosphate produces
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Reaction of dilute sulphuric acid with phosphate rock produces
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Phosphoric acid is produced in wet process from phosphate rock and
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Base suspension fertiliser essentially contains
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Conditioners like finely divided peat are added to the fertiliser to
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Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
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A.
'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid.
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B.
Chemically unreactive nature of red phosphorous is due to its polymeric structure.
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C.
Red phosphorous is the most reactive allotropic form of phosphorous.
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D.
Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation.
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