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. 82 38 68 98 82 38 68 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Red phosphorous is changed into white phosphorous by Heating in presence of light Melting under pressure Vaporisation followed by condensation None of these Heating in presence of light Melting under pressure Vaporisation followed by condensation None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of calcium fluorapatite with sulphuric acid produces Simple superphosphate Triple superphosphate Ortho-phosphoric acid Red phosphorous Simple superphosphate Triple superphosphate Ortho-phosphoric acid Red phosphorous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Monte catini process is used for the manufacture of Nitric acid Calcium ammonium nitrate (CAN) Phosphoric acid Urea Nitric acid Calcium ammonium nitrate (CAN) Phosphoric acid Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Excessive use of chemical fertilisers causes shrivelling of the roots and wilting of the plant, because the Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Soil becomes too acidic Osmotic pressure of the soil water becomes higher than that of the plant sap Osmotic pressure of the soil water becomes less than that of the plant sap Soil becomes too alkaline Soil becomes too acidic ANSWER DOWNLOAD EXAMIANS APP