Related Questions

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.
A N2
B KNO3
C NO2
D NHO3
Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogeneous fertiliser?
A Coal gasification
B Steam reforming of naphtha
C Alectrolysis of water
D Coke oven gas
Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by
A Iron-steam reaction
B Electrolysis of water
C Steam reforming of naphtha
D Its cryogenic separation from coke oven gas
Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and
A Nitric acid
B Ammonia
C Ammonium nitrate
D Nitric oxide
Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.
A Entrained
B Moving
C Fixed
D Fluidised
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.
A Autocatalytic
B Endothermic
C Exothermic
D Non-catalytic
Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by
A Steam reforming of naphtha and cracking of natural gas
B Electrolysis of water
C Cryogenic separation of hydrogen from coke oven gas
D All of the above
A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.
A Coke oven
B Producer
C Natural
D Coal
Catalyst used in steam reforming of naphtha is
A Nickel
B Platinum
C Silica gel
D Rhodium
Optimum reaction temperature in steam reforming of naphtha is __________ °C.
A 700 - 1000
B 300 - 450
C 1500-1700
D 100-200

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