Fertiliser Technology Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by Decreasing the temperature Increasing the temperature None of these Decreasing the pressure Decreasing the temperature Increasing the temperature None of these Decreasing the pressure 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 Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Decreased yield of urea Increased degree of conversion of CO₂ to urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 52-54 75-80 > 98 25-28 52-54 75-80 > 98 25-28 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ is the undesirable by-product produced in the manufacture of urea. Carbon dioxide Ammonium carbonate Biuret Ammonium carbamate Carbon dioxide Ammonium carbonate Biuret Ammonium carbamate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Electrolysis of water Steam reforming of naphtha Cracking of natural gas H? separation from coke oven gas Electrolysis of water Steam reforming of naphtha Cracking of natural gas H? separation from coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea Calcium nitrate Ammonium sulphate Calcium ammonium nitrate (CAN) Urea ANSWER DOWNLOAD EXAMIANS APP