Fertiliser Technology Questions

• Dehydration of ammonium carbamate produces
• The fertiliser plant getting hydrogen by electrolysis of water is situated at
• Main component of bone ash is
• Both white phosphorous as well as red phosphorous
• Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of
• The optimum size of the ammonia plant is __________ tons/day.
• Chemical formula of biuret is
• Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
• Triple superphosphate is made by reacting phosphate rock with __________ acid.
• H4P2O7 is the chemical formula of __________ phosphoric acid.
• Rock phosphate constitutes mainly of
• Nitrogen content of urea is about __________ percent.
• __________ is the most suitable fertiliser for paddy.
• Monte catini process is used for the manufacture of
• Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)
• Catalyst used in ammonia synthesis uses __________ as a promoter.
• Heating of orthophosphoric acid to about 900°C, produces
• Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
• Which of the following gasifiers can be attached to coal based fertiliser plants?
• Reaction of calcium fluorapatite with sulphuric acid produces