Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 800-900 250-400 1000-1200 50-80 800-900 250-400 1000-1200 50-80 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. Improving the strength & heat resistance Increasing the effectiveness All of these Stabilisation Improving the strength & heat resistance Increasing the effectiveness All of these Stabilisation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 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 400°C and 550 atm 120°C and 300 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology NPK fertiliser is a __________ fertiliser. Phosphatic Complex Nitrogenous Mixed Phosphatic Complex Nitrogenous Mixed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in the manufacture of NH₃ by Haber's process is finely divided Nickel Iron Alumina Vanadium pentoxide Nickel Iron Alumina Vanadium pentoxide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Electrolysis of water Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Natural gas cracking Electrolysis of water Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Natural gas cracking ANSWER DOWNLOAD EXAMIANS APP
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