Reaction of anhydrous liquid ammonia with orthophosphoric acid produces
HPO3 is the chemical formula of __________ phosphoric acid.
Both white phosphorous as well as red phosphorous
Reaction of calcium fluorapatite with sulphuric acid produces
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
Chemical formula of biuret is
Rock phosphate constitutes mainly of
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
Naphtha in a fertiliser plant is used as a source of
Main component of bone ash is
Nitrogen content of urea is about __________ percent.
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
Monte catini process is used for the manufacture of
Electric furnace method for production of phosphorous uses phosphate rock
Catalyst used in steam reforming of naphtha is
Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.
Dehydration of ammonium carbamate produces
Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)
Pick out the wrong statement.
Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of
Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.
Catalyst used in ammonia synthesis uses __________ as a promoter.
C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about
A phosphatic fertiliser containsP2O5. It could be
Main constituent of phosphate rock is
Yield of elemental phosphorous from rock phosphate is about __________ percent.
Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by
The essential ingradient of all the synthesis gas is
Promoter used in NH3 synthesis catalyst is
Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by