Fertiliser Technology Maximum stability of white phosphorous is at Very high pressure Room temperature Atmospheric pressure >600°C Very high pressure Room temperature Atmospheric pressure >600°C 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 Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals All of these Metaphosphoric acid 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 38 82 98 68 38 82 98 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Naphtha Water Tar Coal/coke oven gas Naphtha Water Tar Coal/coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. High corrosion rate Increased cost of equipment Increased biuret formation All of these High corrosion rate Increased cost of equipment Increased biuret formation All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Phosphorous Calcium Nitrogen Potassium Phosphorous Calcium Nitrogen Potassium ANSWER DOWNLOAD EXAMIANS APP