Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Electrolysis of water Natural gas cracking Steam reforming of naphtha Cryogenic removal of H₂ from coke oven gas Electrolysis of water Natural gas cracking ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Absence of air Presence of a reducing atmosphere Presence of an oxidising atmosphere Presence of an inert atmosphere Absence of air Presence of a reducing atmosphere Presence of an oxidising atmosphere Presence of an inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C It gets oxidised above 500°C None of these It decomposes ammonia Its activity declines rapidly, if heated to above 520°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in ammonia synthesis uses __________ as a promoter. Pt K₂O Ni Al2O₃ Pt K₂O Ni Al2O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? Cracking of natural gas Electrolysis of water H? separation from coke oven gas Steam reforming of naphtha Cracking of natural gas Electrolysis of water H? separation from coke oven gas Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Red phosphorous Triple superphosphate Ortho-phosphoric acid Simple superphosphate Red phosphorous Triple superphosphate Ortho-phosphoric acid Simple superphosphate ANSWER DOWNLOAD EXAMIANS APP
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