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 None of these Decreasing the pressure Increasing the temperature Decreasing the temperature None of these Decreasing the pressure Increasing the temperature Decreasing the temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 190°C and 200 atm 200°C and 10 atm 400°C and 550 atm 120°C and 300 atm 190°C and 200 atm 200°C and 10 atm 400°C and 550 atm 120°C and 300 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of phosphate rock with 98% H₂SO₄ produces None of these Orthophosphoric acid White phosphorous Superphosphate None of these Orthophosphoric acid White phosphorous Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in desulphurisation of naphtha is Pt-Rh Silica gel Co-Mo Nickel Pt-Rh Silica gel Co-Mo Nickel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness Stabilisation All of these Improving the strength & heat resistance Increasing the effectiveness ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology P₂O₅ content in triple superphosphate is about __________ percent. 85-90 70-75 15-20 42-50 85-90 70-75 15-20 42-50 ANSWER DOWNLOAD EXAMIANS APP