Related Questions

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
Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.
A N2
B KNO3
C NO2
D NHO3
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
A Tan hT/T
B Tan T/T
C Tan hT/tan T
D None of these
Liquid ammonia is not used as such a fertiliser in tropical countries like India, because
A Its N₂ content is very low
B It is very costly
C It will evaporate on spraying
D It is not available
Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils?
A Urea
B CAN
C Ammonium sulphate
D Calcium cyanamide
Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
A 5
B 20
C 50
D 65
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

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