Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium nitrate Urea Calcium ammonium nitrate (CAN) Ammonium sulphate Calcium nitrate Urea Calcium ammonium nitrate (CAN) Ammonium sulphate 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 Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion None of these Very high pressure is required resulting in costly pressure vessel Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Action of phosphoric acid on rock phosphate produces Superphosphate Diammonium phosphate Triple superphosphate Nitrophosphate Superphosphate Diammonium phosphate Triple superphosphate Nitrophosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Cracking of natural gas Steam reforming of naphtha Electrolysis of water H? separation from coke oven gas Cracking of natural gas Steam reforming of naphtha Electrolysis of water H? separation from coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis reaction is Autocatalytic Exothermic Endothermic None of these Autocatalytic Exothermic Endothermic None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is U₂O₃ V₂O₅ K₂O SiO₃ U₂O₃ V₂O₅ K₂O SiO₃ ANSWER DOWNLOAD EXAMIANS APP
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