Fertiliser Technology Formation of ammonium carbamate by reaction of NH₃ with CO₂ is a/an __________ reaction. Catalytic Exothermic Reversible Endothermic Catalytic Exothermic Reversible Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A phosphatic fertiliser contains 16% P₂O₅. It could be Dicalcium phosphate Superphosphate Triple superphosphate None of these Dicalcium phosphate Superphosphate Triple superphosphate None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is a __________ fertiliser. Nitrogenous None of these Phosphatic Potassic Nitrogenous None of these Phosphatic Potassic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Natural gas cracking Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha Electrolysis of water Natural gas cracking Cryogenic removal of H₂ from coke oven gas Steam reforming of naphtha Electrolysis of water 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 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 Rate of reaction is very low Space velocity of gas is very low resulting in decreased conversion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in Non-spherical prills Biuret formation Low bulk density product Substantially wet non-flowing and sticky product Non-spherical prills Biuret formation Low bulk density product Substantially wet non-flowing and sticky product ANSWER DOWNLOAD EXAMIANS APP
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