Related Questions

Which is a catalyst promoter used in catalytic ammonia synthesis reaction?
A Al2O3
B Cr2O3
C K2O
D MnO
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
A Fauser-Monte Catini
B Claude
C Udhe
D Kellog
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
For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
A (i) platinum (ii) sulphur
B (i) palladium (ii) oxygen
C (i) nickel (ii) sulphur
D (i) nickel (ii) oxygen
A catalyst promoter
A Improves the activity of a catalyst
B Acts as a catalyst support
C Itself has very high activity
D All of the above
Promoter is added to the catalyst to improve its
A Porosity
B Sensitivity
C Surface area
D None of these
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.
A Autocatalytic
B Endothermic
C Exothermic
D Non-catalytic
Low grade coal is __________ to produce ammonia synthesis gas.
A Hydrogenated
B Liquefied
C Gasified
D Dehydrogenated
Catalyst used in the oxidation of ammonia is
A Platinum-beryllium
B Platinum-rhodium
C Cobalt-molybdenum
D Platinum-molybdenum
Catalyst used in Haber's process for ammonia production is
A Reduced iron oxide
B Nickel
C Vanadium pentoxide
D Silica gel

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