Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because None of these It gets oxidised above 500°C It decomposes ammonia Its activity declines rapidly, if heated to above 520°C None of these It gets oxidised above 500°C It decomposes ammonia Its activity declines rapidly, if heated to above 520°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In calcium ammonium nitrate (CAN) fertil-ser Nitrate nitrogen is slower acting Nitrate nitrogen is quick acting Ammoniacal nitrogen is quick acting None of these Nitrate nitrogen is slower acting Nitrate nitrogen is quick acting Ammoniacal nitrogen is quick acting None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conditioners like finely divided peat are added to the fertiliser to Increase its solubility Avoid caking & hardening Produce bulk Counteract burning Increase its solubility Avoid caking & hardening Produce bulk Counteract burning 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 Rate of reaction is very low None of these Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel Rate of reaction is very low None of these Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Haber's Stengel Le-chatlier's Du-pont's Haber's Stengel Le-chatlier's Du-pont's ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is K₂O SiO₃ U₂O₃ V₂O₅ K₂O SiO₃ U₂O₃ V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
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