Fertiliser Technology Heating of orthophosphoric acid to 250°C produces Metaphosphoric acid Pyrophosphoric acid No change in it None of these Metaphosphoric acid Pyrophosphoric acid No change in it None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is formed only In vapour phase At very low pressure (vacuum) At very high temperature In liquid phase In vapour phase At very low pressure (vacuum) At very high temperature In liquid phase 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 Metaphosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals Pyrophosphoric acid Metaphosphoric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in ammonia converter is 450 atm, 1000°C 450 atm, 550°C 450 atm, 200°C 200 atm, 1000°C 450 atm, 1000°C 450 atm, 550°C 450 atm, 200°C 200 atm, 1000°C ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following solvents is used for the extraction of H₃PO₄ from CaCl₂ solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching? Iso propyl alcohol Toluene Hexane Butyl alcohol Iso propyl alcohol Toluene Hexane Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphorus vapour comprises of P₂ P₄ P P₃ P₂ P₄ P P₃ ANSWER DOWNLOAD EXAMIANS APP