Related Questions

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
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
Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?
A 1.5:1
B 3.5:1
C 10:1
D 15:1
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
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
The chief source for the production of nitrogeneous fertilizers is :
A Ammonia
B Nitric acid
C Nitrogen
D Nitrogen dioxide
NPK fertiliser is a __________ fertiliser.
A Complex
B Mixed
C Nitrogenous
D Phosphatic
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
The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.
A Nitrogenous
B Phosphatic
C Potassic
D None of these

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