Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the Absence of air Presence of an inert atmosphere Presence of an oxidising atmosphere Presence of a reducing atmosphere Absence of air Presence of an inert atmosphere Presence of an oxidising atmosphere Presence of a reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with phosphate rock produces Superphosphate Monoammonium phosphate Triple superphosphate Metaphosphoric acid Superphosphate Monoammonium phosphate Triple superphosphate Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber's process? High pressure, high reactants concentration, low temperature High pressure, low reactants concentration, low temperature Low pressure, high reactants concentration, low temperature High pressure, low reactants concentration, high temperature High pressure, high reactants concentration, low temperature High pressure, low reactants concentration, low temperature Low pressure, high reactants concentration, low temperature High pressure, low reactants concentration, high temperature 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 Hexane Butyl alcohol Iso propyl alcohol Toluene Hexane Butyl alcohol Iso propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate produces Biuret None of these Urea Ammonia water Biuret None of these Urea Ammonia water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Flushing liquor used for cooling coke oven gas constitutes of K₂CO₃ solution Ammoniacal liquor Dilute H₂SO₄ Dilute HCl K₂CO₃ solution Ammoniacal liquor Dilute H₂SO₄ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
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