Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Presence of a reducing atmosphere Presence of an inert atmosphere Presence of an oxidising atmosphere Absence of air Presence of a reducing atmosphere Presence of an inert atmosphere Presence of an oxidising atmosphere Absence of air ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Toluene Iso propyl alcohol Hexane Butyl alcohol Toluene Iso propyl alcohol Hexane Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A nitrogenous fertiliser contains 20% N₂. It could be Urea Ammonium nitrate Ammonium chloride Calcium ammonium nitrate (CAN) Urea Ammonium nitrate Ammonium chloride Calcium ammonium nitrate (CAN) ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ is the undesirable by-product produced in the manufacture of urea. Ammonium carbamate Ammonium carbonate Biuret Carbon dioxide Ammonium carbamate Ammonium carbonate Biuret Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in Haber's process for ammonia production is Vanadium pentoxide Reduced iron oxide Nickel Silica gel Vanadium pentoxide Reduced iron oxide Nickel Silica gel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of dilute sulphuric acid with phosphate rock produces Superphosphate Triple superphosphate Phosphoric acid Gypsum Superphosphate Triple superphosphate Phosphoric acid Gypsum ANSWER DOWNLOAD EXAMIANS APP