Fertiliser Technology Heating of orthophosphoric acid to 250°C produces Metaphosphoric acid No change in it Pyrophosphoric acid None of these Metaphosphoric acid No change in it Pyrophosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. Autocatalytic Non-catalytic Exothermic Endothermic Autocatalytic Non-catalytic Exothermic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 38 68 98 82 38 68 98 82 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Maximum nitrogen percentage is in Calcium ammonium nitrate Liquid ammonia Urea Ammonium sulphate Calcium ammonium nitrate Liquid ammonia Urea Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Steam reforming of naphtha Natural gas cracking Electrolysis of water Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha Natural gas cracking Electrolysis of water Cryogenic removal of H₂ from coke oven gas 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP