Fertiliser Technology Raw materials for nitric acid manufacture are Anhydrous ammonia and air Wet ammonia, air and water Anhydrous ammonia, air and water Hydrogen peroxide, air and water Anhydrous ammonia and air Wet ammonia, air and water Anhydrous ammonia, air and water Hydrogen peroxide, air and water ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is a natural inorganic fertiliser? Gobar mannure None of these Oilcake Chile salt petre Gobar mannure None of these Oilcake Chile salt petre ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low None of these Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low None of these Very high pressure is required resulting in costly pressure vessel 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 Stabilisation Improving the strength & heat resistance All of these Increasing the effectiveness Stabilisation Improving the strength & heat resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at __________ °C. 1400-1450 500-750 950-1050 250-300 1400-1450 500-750 950-1050 250-300 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which nutrient in fertiliser makes the plant stems stronger and increases branching? Nitrogen Calcium Phosphorous Potassium Nitrogen Calcium Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
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