Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 250-400 1000-1200 800-900 50-80 250-400 1000-1200 800-900 50-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Tar Water Naphtha Coal/coke oven gas Tar Water Naphtha Coal/coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology An increase in the NH₃/CO₂ ratio in urea manufacture results in Increased degree of conversion of CO₂ to urea Decreased yield of urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass Increased degree of conversion of CO₂ to urea Decreased yield of urea Decreased degree of conversion of NH₃ to urea Decreased specific volume of molten mass ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Base suspension fertiliser essentially contains 43% N₂ and 13% K₂O 43% N₂ and 13% P₂O₅ 13% N₂ and 43% P₂O₅ 43% K₂O and 43% P₂O₅ 43% N₂ and 13% K₂O 43% N₂ and 13% P₂O₅ 13% N₂ and 43% P₂O₅ 43% K₂O and 43% P₂O₅ 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? Hexane Butyl alcohol Toluene Iso propyl alcohol Hexane Butyl alcohol Toluene Iso propyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During conversion of ammonium carbamate into urea, presence of large excess of water Adversely affects the yield of urea Does not affect the yield of urea Reduces the evaporator load by diluting the urea solution Increases the yield of urea Adversely affects the yield of urea Does not affect the yield of urea Reduces the evaporator load by diluting the urea solution Increases the yield of urea ANSWER DOWNLOAD EXAMIANS APP