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 Potassic fertilisers do not promote the development of Starches of potatoes & grains Sugar of fruits & vegetables Fibrous materials of plants Stems & leaves during early stage of plant growth Starches of potatoes & grains Sugar of fruits & vegetables Fibrous materials of plants Stems & leaves during early stage of plant growth ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A phosphatic fertiliser contains 16% P₂O₅. It could be Superphosphate Dicalcium phosphate None of these Triple superphosphate Superphosphate Dicalcium phosphate None of these Triple superphosphate 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. 68 98 82 38 68 98 82 38 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis reaction is Autocatalytic Exothermic None of these Endothermic Autocatalytic Exothermic None of these Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a mixed fertiliser? None of these Calcium ammonium nitrate (CAN) Ammonium phosphate Nitrophosphate None of these Calcium ammonium nitrate (CAN) Ammonium phosphate Nitrophosphate ANSWER DOWNLOAD EXAMIANS APP
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