Montecatini process is a widely used process for the manufacture of ___________________?
(A) Urea
(B) Calcium ammonium nitrate
(C) Triple superphosphate
(D) None of these
Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
(A) Al2O3
(B) Cr2O3
(C) K2O
(D) MnO
Nitrogen content of calcium ammonium nitrate (CAN) is _____________ percent?
(A) 10
(B) 25
(C) 50
(D) 80
_____________ is required more for leafy crops?
(A) Nitrogen
(B) Phosphorous
(C) Potassium
(D) Carbon
Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?
(A) Nickel
(B) Iron
(C) Vanadium pentoxide
(D) Alumina
A fertiliser contains 82% N2. It could be_____________________?
(A) Urea
(B) Liquid NH3
(C) Ammonium nitrate
(D) None of these
The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?
(A) Excess liquid ammonia and liquefied CO2
(B) Excess liquid ammonia and compressed CO2 gas
(C) Liquid ammonia and excess compressed CO2
(D) Compressed ammonia gas and excess compressed CO2
Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?
(A) Nitrogenous fertiliser
(B) Potassic fertiliser
(C) Phosphatic fertiliser
(D) None of these
Ammonium sulphate fertiliser is __________________?
(A) The highest concentration nitrogenous fertiliser
(B) The best fertiliser for paddy
(C) A basic fertiliser
(D) A neutral fertiliser
Urea (a nitrogenous fertiliser) is produced from carbon dioxide and__________________?
(A) Nitric acid
(B) Ammonia
(C) Ammonium nitrate
(D) Nitric oxide