Fertiliser Technology Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the 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 Absence of air Presence of an inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is V₂O₅ K₂O SiO₃ U₂O₃ V₂O₅ K₂O SiO₃ U₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Bio-fertilisers are cheaper, renewable and pollution free. They improve the __________ of the soil. All of these Water holding capacity Texture Nutrient supply All of these Water holding capacity Texture Nutrient supply ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Du-pont's Le-chatlier's Haber's Stengel Du-pont's Le-chatlier's Haber's Stengel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with phosphate rock produces Triple superphosphate Metaphosphoric acid Superphosphate Monoammonium phosphate Triple superphosphate Metaphosphoric acid Superphosphate Monoammonium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces None of these No change in it Pyrophosphoric acid Metaphosphoric acid None of these No change in it Pyrophosphoric acid Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
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