Fertiliser Technology Which is a catalyst promoter used in catalytic ammonia synthesis reaction? K₂O MnO Al₂O₃ Cr₂O₃ K₂O MnO Al₂O₃ Cr₂O₃ 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 None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in Haber's process for ammonia production is Silica gel Nickel Reduced iron oxide Vanadium pentoxide Silica gel Nickel Reduced iron oxide Vanadium pentoxide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of biuret is NH₄COONH₂ NH₃.COO.NH₃ NH₂CONHCONH₂ NH₂.CO.NH₂ NH₄COONH₂ NH₃.COO.NH₃ NH₂CONHCONH₂ NH₂.CO.NH₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Action of phosphoric acid on rock phosphate produces Diammonium phosphate Triple superphosphate Nitrophosphate Superphosphate Diammonium phosphate Triple superphosphate Nitrophosphate Superphosphate ANSWER DOWNLOAD EXAMIANS APP