A. Maintain inert gas concentration within a limit
B. Remove excess poisonous gases
C. Maintain H2 : N2 ratio at 3 :1
D. Remove uncondensed ammonia vapour
Related Mcqs:
- 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 optimum size of the ammonia plant is ______________ tons/day?
A. 10
B. 100
C. 1000
D. 1000 - 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 - Catalytic ammonia synthesis reaction as in Haber’s process is_________________?
A. Endothermic
B. Exothermic
C. Irreversible
D. None of these - 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 - Iron is not used alone as a catalyst in ammonia synthesis, because___________________?
A. Its activity declines rapidly, if heated to above 520°C
B. It decomposes ammonia
C. It gets oxidised above 500°C
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 - Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
A. Haber’s
B. Stengel
C. Le-chatelier’s
D. Du-pont’s - Low grade coal is ______________ to produce ammonia synthesis gas?
A. Hydrogenated
B. Liquefied
C. Gasified
D. Dehydrogenated - Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
