Fertiliser Technology Heating of orthophosphoric acid to about 900°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 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 Pyrophosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid Pyrophosphoric acid All of these CaSO₄ .½H₂O and CaSO₄ crystals 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 CaH₄(PO₄)₂ is the chemical formula of Superphosphate Triple superphosphate Calcium phosphate Meta phosphoric acid Superphosphate Triple superphosphate Calcium phosphate Meta phosphoric 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. Increasing the effectiveness Improving the strength & heat resistance Stabilisation All of these Increasing the effectiveness Improving the strength & heat resistance Stabilisation All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of elemental phosphorous from rock phosphate is about __________ percent. 40-45 60-65 1-2 15-25 40-45 60-65 1-2 15-25 ANSWER DOWNLOAD EXAMIANS APP
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