Fertiliser Technology In the manufacture of H₃ PO₄ (ortho), ; strong H₂ SO₄ leaching wet process as compared to electric furnace process Produces lower purity acid Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant Produces lower purity acid Uses lower grade phosphate rock Is very costly Requires lower capital investment in the plant ANSWER DOWNLOAD EXAMIANS APP
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 68 38 82 98 68 38 82 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following does not come under the category of'primary nutrient' for plant growth? Nitrogen Phosphorous Potassium Sulphur Nitrogen Phosphorous Potassium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Both white phosphorous as well as red phosphorous Are soluble in CS₂ Burns when heated in air All of these Reacts with hot caustic soda solution to give phosphine Are soluble in CS₂ Burns when heated in air All of these Reacts with hot caustic soda solution to give phosphine ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following nitrogenous fertilisers has the highest percentage of nitrogen? Ammonium sulphate Urea Calcium ammonium nitrate (CAN) Calcium nitrate Ammonium sulphate Urea Calcium ammonium nitrate (CAN) Calcium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to about 900°C, produces Metaphosphoric acid None of these No change in it Pyrophosphoric acid Metaphosphoric acid None of these No change in it Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
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