Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Comparatively higher pressure drop Higher pumping cost High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed Comparatively higher pressure drop Higher pumping cost High cost of the high pressure vessel used for the reactor Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitrolime is Calcium nitrate Calcium ammonium nitrate A mixture of nitric acid and lime A mixture of ammonium nitrate and calcium nitrate Calcium nitrate Calcium ammonium nitrate A mixture of nitric acid and lime A mixture of ammonium nitrate and calcium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Superphosphate Ammonium phosphate Phosphorous Phosphoric acid Superphosphate Ammonium phosphate Phosphorous Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 400°C and 550 atm 120°C and 300 atm 200°C and 10 atm 190°C and 200 atm 400°C and 550 atm 120°C and 300 atm 200°C and 10 atm 190°C and 200 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology An increase in the NH₃/CO₂ ratio in urea manufacture results in Decreased degree of conversion of NH₃ to urea Increased degree of conversion of CO₂ to urea Decreased specific volume of molten mass Decreased yield of urea Decreased degree of conversion of NH₃ to urea Increased degree of conversion of CO₂ to urea Decreased specific volume of molten mass Decreased yield of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of urea, the intermediate chemical formed is Ammonium carbamate Ammonium carbonate None of these Biuret Ammonium carbamate Ammonium carbonate None of these Biuret ANSWER DOWNLOAD EXAMIANS APP
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