Fertiliser Technology Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the __________ process. Le-chatlier's Haber's Du-pont's Stengel Le-chatlier's Haber's Du-pont's Stengel 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 Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it Vaporises at normal temperature Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature Is in short supply Has a pungent smell Is toxic and highly corrosive ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser. None of these Potassic Phosphatic Nitrogenous None of these Potassic Phosphatic Nitrogenous ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Commercial production of hydrogen for the manufacture of nitrogeneous fertilisers is done by All of these Electrolysis of water Steam reforming of naphtha and cracking of natural gas Cryogenic separation of hydrogen from coke oven gas All of these Electrolysis of water Steam reforming of naphtha and cracking of natural gas Cryogenic separation of hydrogen from coke oven gas 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 Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion None of these Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion None of these ANSWER DOWNLOAD EXAMIANS APP
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