Fertiliser Technology Catalyst used in the manufacture of NH₃ by Haber's process is finely divided Alumina Vanadium pentoxide Nickel Iron Alumina Vanadium pentoxide Nickel Iron 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. 25-28 > 98 52-54 75-80 25-28 > 98 52-54 75-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 50-80 1000-1200 800-900 250-400 50-80 1000-1200 800-900 250-400 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. 98 38 82 68 98 38 82 68 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable All of these CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid Pyrophosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Natural gas cracking Steam reforming of naphtha Electrolysis of water Cryogenic removal of H₂ from coke oven gas Natural gas cracking Steam reforming of naphtha Electrolysis of water Cryogenic removal of H₂ from coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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