Fertiliser Technology Heating of orthophosphoric acid to 250°C produces Pyrophosphoric acid No change in it Metaphosphoric acid None of these Pyrophosphoric acid No change in it Metaphosphoric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain inert gas concentration within a limit Maintain H₂ : N₂ ratio at 3 :1 Remove excess poisonous gases Remove uncondensed ammonia vapour ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable CaSO₄ .½H₂O and CaSO₄ crystals Pyrophosphoric acid All of these Metaphosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Pyrophosphoric acid All of these Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Lower temperature and large excess of ammonia in urea melt Is undersirable Does not effect biuret formation Increases biuret formation Decreases biuret formation Is undersirable Does not effect biuret formation Increases biuret formation Decreases biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium Silicate Bicarbonate Phosphate Carbonate Silicate Bicarbonate Phosphate Carbonate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is a __________ fertiliser. Nitrogenous None of these Potassic Phosphatic Nitrogenous None of these Potassic Phosphatic ANSWER DOWNLOAD EXAMIANS APP
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