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 Metaphosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Pyrophosphoric acid Metaphosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Pyrophosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N₂ & H₂ is high. The presence of promoter along with the catalyst helps in __________ of the catalyst. All of these Stabilisation Improving the strength & heat resistance Increasing the effectiveness All of these Stabilisation Improving the strength & heat resistance Increasing the effectiveness ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant. 43926 44020 44084 44178 43926 44020 44084 44178 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of __________ acid with phosphate rock produces superphosphates. Hydrochloric Sulphuric Nitric Phosphoric Hydrochloric Sulphuric Nitric Phosphoric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Promoter used in NH₃ synthesis catalyst is SiO₃ V₂O₅ K₂O U₂O₃ SiO₃ V₂O₅ K₂O U₂O₃ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Temperature and pressure in urea autoclave is 120°C and 300 atm 190°C and 200 atm 400°C and 550 atm 200°C and 10 atm 120°C and 300 atm 190°C and 200 atm 400°C and 550 atm 200°C and 10 atm ANSWER DOWNLOAD EXAMIANS APP
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