Q. Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of

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Q. Heating of orthophosphoric acid to about 900°C, produces

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Q. Reaction of phosphate rock with 98% H₂SO₄ produces

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Q. HPO₃ is the chemical formula of __________ phosphoric acid.

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Q. Both white phosphorous as well as red phosphorous

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Q. Catalyst used in steam reforming of naphtha is

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Q. The fertiliser plant getting hydrogen by electrolysis of water is situated at

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Q. Chemical formula of biuret is

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Q. Rock phosphate constitutes mainly of

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Q. Dehydration of ammonium carbamate produces

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Q. Ammonia synthesis reaction is

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Q. Phosphatic fertilisers

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Q. Naphtha in a fertiliser plant is used as a source of

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Q. Pick out the wrong statement.

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Q. Maximum nitrogen percentage is in

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Q. Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.

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Q. Triple superphosphate is chemically represented as

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Q. In ammonia synthesis (N₂ + 3H₂ = 2NH₃), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at

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Q. Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

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Q. Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done.

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