Fertiliser Technology Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction. Exothermic Catalytic Reversible Endothermic Exothermic Catalytic Reversible Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in steam reforming of naphtha is Rhodium Silica gel Nickel Platinum Rhodium Silica gel Nickel Platinum ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because Its activity declines rapidly, if heated to above 520°C None of these It decomposes ammonia It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C None of these It decomposes ammonia It gets oxidised above 500°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to 250°C produces No change in it None of these Metaphosphoric acid Pyrophosphoric acid No change in it None of these Metaphosphoric acid Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Very high pressure is required resulting in costly pressure vessel None of these Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel None of these Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in Haber's process for ammonia production is Vanadium pentoxide Nickel Silica gel Reduced iron oxide Vanadium pentoxide Nickel Silica gel Reduced iron oxide ANSWER DOWNLOAD EXAMIANS APP
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