Potassic fertiliser is graded based on its ______________ content?
Potassic fertiliser is graded based on its ______________ content?
A. KCl
B. K2O
C. KNO3
D. K2SO4
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Raw materials for nitric acid manufacture are___________________?
Raw materials for nitric acid manufacture are___________________?A. Hydrogen peroxide, air and water
B. Anhydrous ammonia and air
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and waterAmmonium nitrate (a fertiliser) is coated with limestone powder to ____________________?
Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliserCommercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by________________?
Commercial production of hydrogen for the manufacture of nitrogenous 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 A., B. and C._____________ is the undesirable by-product produced in the manufacture of urea ?
_____________ is the undesirable by-product produced in the manufacture of urea ?A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamateCatalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?
Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?A. Nickel
B. Iron
C. Vanadium pentoxide
D. AluminaSteam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?
Steam reforming of naphtha is a source of hydrogen production for nitrogenous 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