Fertiliser Technology During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH₃ to NO is about __________ percent. 68 98 82 38 68 98 82 38 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent. 65 20 50 5 65 20 50 5 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₅P3O₁₀ Na₃P4O₆ Na₄P3O₈ Na₂PO₄ Na₅P3O₁₀ Na₃P4O₆ Na₄P3O₈ Na₂PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Naphtha in a fertiliser plant is used as a source of N₂ H₂ Fuel O₂ N₂ H₂ Fuel O₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Ammonium phosphate Phosphoric acid Superphosphate Phosphorous Ammonium phosphate Phosphoric acid Superphosphate Phosphorous ANSWER DOWNLOAD EXAMIANS APP