Urea is a better fertilizer than ammonium sulphate, because__________________?
(A) It is cheaper
(B) Nitrogen content is higher
(C) It is not poisonous
(D) It is easy to manufacture
Conditioners like finely divided peat are added to the fertiliser to________________?
(A) Counteract burning
(B) Avoid caking & hardening
(C) Produce bulk
(D) Increase its solubility
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?
(A) Water
(B) Naphtha
(C) Tar
(D) Coal/coke oven gas
Color of nitric acid is light yellow due to the presence of__________________?
(A) NO
(B) NO2
(C) N2H5
(D) NH3
Catalyst used in steam reforming of naphtha is__________________?
(A) Nickel
(B) Platinum
(C) Silica gel
(D) Rhodium
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?
(A) Autocatalytic
(B) Endothermic
(C) Exothermic
(D) Non-catalytic
Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?
(A) Comparatively higher pressure drop
(B) High cost of the high pressure vessel used for the reactor
(C) Higher pumping cost
(D) Chances of entrainment and disturbance of catalyst bed
Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?
(A) H2 separation from coke oven gas
(B) Steam reforming of naphtha
(C) Cracking of natural gas
(D) Electrolysis of water
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?
(A) Carbonate
(B) Phosphate
(C) Bicarbonate
(D) Silicate
Montecatini process is used for the manufacture of____________________?
(A) Nitric acid
(B) Phosphoric acid
(C) Urea
(D) Calcium ammonium nitrate (CAN)