Fertiliser Technology Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and Nitric acid Ammonia Nitric oxide Ammonium nitrate Nitric acid Ammonia Nitric oxide Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of nitric acid and sulphuric acid with phosphate rock produces Tributyl phosphate Nitrophosphate Diammonium phosphate Tricresyl phosphate Tributyl phosphate Nitrophosphate Diammonium phosphate Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Lower temperature and large excess of ammonia in urea melt Increases biuret formation Decreases biuret formation Is undersirable Does not effect biuret formation Increases biuret formation Decreases biuret formation Is undersirable Does not effect biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating a mixture of phosphate rock, coke and sand in an electric furnace produces Phosphoric acid Superphosphate Ammonium phosphate Phosphorous Phosphoric acid Superphosphate Ammonium phosphate Phosphorous 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 Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel None of these Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials for urea production are HNO₃ and CaCO₃ CO₂, H₂ and N₂ CO₂ and N₂ NH₃ and CO HNO₃ and CaCO₃ CO₂, H₂ and N₂ CO₂ and N₂ NH₃ and CO ANSWER DOWNLOAD EXAMIANS APP
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