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? Iso propyl alcohol Butyl alcohol Toluene Hexane Iso propyl alcohol Butyl alcohol Toluene Hexane ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphatic fertilisers Accelerate fruit formation in later stages of growth Lessen the effect of excessive nitrogen application None of these Are useful during early stage of the plant growth Accelerate fruit formation in later stages of growth Lessen the effect of excessive nitrogen application None of these Are useful during early stage of the plant growth ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is SiO₃ K₂O U₂O₃ V₂O₅ SiO₃ K₂O U₂O₃ V₂O₅ 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. 800-900 250-400 1000-1200 50-80 800-900 250-400 1000-1200 50-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology __________ catalyst is used in the production of urea from CO₂ and NH₃. No Alumina Vanadium pentoxide Nickel No Alumina Vanadium pentoxide Nickel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main component of bone ash is Calcium carbonate Calcium sulphate Calcium phosphate Sodium phosphate Calcium carbonate Calcium sulphate Calcium phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP