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. 98 82 38 68 98 82 38 68 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is chemically represented as Na₄P3O₈ Na₂PO₄ Na₃P4O₆ Na₅P3O₁₀ Na₄P3O₈ Na₂PO₄ Na₃P4O₆ Na₅P3O₁₀ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Lower temperature and large excess of ammonia in urea melt Is undersirable Increases biuret formation Does not effect biuret formation Decreases biuret formation Is undersirable Increases biuret formation Does not effect biuret formation Decreases biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In calcium ammonium nitrate (CAN) fertil-ser None of these Nitrate nitrogen is slower acting Nitrate nitrogen is quick acting Ammoniacal nitrogen is quick acting None of these Nitrate nitrogen is slower acting Nitrate nitrogen is quick acting Ammoniacal nitrogen is quick acting ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonium nitrate is Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Not prone to explosive thermal decomposition Not hygroscopic Having about 40% N₂ Mixed with limestone powder to reduce its explosive nature before using it as a fertilizer Not prone to explosive thermal decomposition Not hygroscopic Having about 40% N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A phosphatic fertiliser contains 16% P₂O₅. It could be Triple superphosphate None of these Superphosphate Dicalcium phosphate Triple superphosphate None of these Superphosphate Dicalcium phosphate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS