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. 82 98 38 68 82 98 38 68 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air. 1000-1200 250-400 50-80 800-900 1000-1200 250-400 50-80 800-900 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphatic fertilisers Accelerate fruit formation in later stages of growth Are useful during early stage of the plant growth Lessen the effect of excessive nitrogen application None of these Accelerate fruit formation in later stages of growth Are useful during early stage of the plant growth Lessen the effect of excessive nitrogen application None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology (CH₃ C₆ H₄)₃ PO₄ is the chemical formula of Flourapatite Superphosphate Tricresyl phosphate Triple superphosphate Flourapatite Superphosphate Tricresyl phosphate Triple superphosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Reversible Endothermic Exothermic Catalytic Reversible Endothermic Exothermic Catalytic ANSWER DOWNLOAD EXAMIANS APP
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