Chemical Engineering :: Fertiliser Technology
- Heating of orthophosphoric acid to about 900°C, produces
- A potassic fertiliser contains 50% K₂O. It could be
- Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
- Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?
- Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of
- Iron is not used alone as a catalyst in ammonia synthesis, because
- Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
- Which of the following fertilisers contains the least percentage of nitrogen?
- Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by
- Reaction of anhydrous liquid ammonia with orthophosphoric acid produces
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