Catalyst used in the oxidation of ammonia is ________________?
(A) Platinum-beryllium
(B) Platinum-rhodium
(C) Cobalt-molybdenum
(D) Platinum-molybdenum
Which fertiliser is made (using coke oven gas) in by products plant of an integrated steel plant ?
(A) Urea
(B) CAN
(C) Ammonium sulphate
(D) Superphosphate
In the manufacture of urea, the intermediate chemical formed is__________________?
(A) Biuret
(B) Ammonium carbamate
(C) Ammonium carbonate
(D) None of these
Catalyst used in Haber’s process for ammonia production is_________________?
(A) Reduced iron oxide
(B) Nickel
(C) Vanadium pentoxide
(D) Silica gel
P2O5 percentage in the phosphoric acid produced by wet process is about_________________?
(A) 10
(B) 30
(C) 50
(D) 70
CO2 present in reformed gas (obtained by steam reforming of naphtha) is removed by absorbing in _________________?
(A) Mono-ethanolamine (MEA)
(B) Slaked lime
(C) Ammoniacal liquor
(D) Methyl-Ethyl Ketone (MEK)
The essential ingredient of all the synthesis gas is___________________?
(A) H2
(B) O2
(C) CO2
(D) N2
The main constituent of rock phosphate is _____________________?
(A) Mono-calcium phosphate
(B) Di-calcium phosphate
(C) Fluorspar
(D) None of these
Base suspension fertiliser essentially contains___________________?
(A) 13% N2 and 43% P2O5
(B) 43% N2 and 13% P2O5
(C) 43% N2 and 13% K2O
(D) 43% K2O and 43% P2O5
Fertiliser value of a nitrogenous fertiliser is expressed in terms of its ______________ content?
(A) N2
(B) KNO3
(C) NO2
(D) NHO3