Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Water Naphtha Coal/coke oven gas Tar Water Naphtha Coal/coke oven gas Tar ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with soda ash produces Tributyl phosphate Nitrophosphate Tricresyl phosphate Sodium tripolyphosphate (STPP) Tributyl phosphate Nitrophosphate Tricresyl phosphate Sodium tripolyphosphate (STPP) ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology P₂O₅ content in triple superphosphate is about __________ percent. 15-20 85-90 42-50 70-75 15-20 85-90 42-50 70-75 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by Decreasing the temperature None of these Increasing the temperature Decreasing the pressure Decreasing the temperature None of these Increasing the temperature Decreasing the pressure 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 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 Space velocity of gas is very low resulting in decreased conversion ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Exothermic Catalytic Reversible Endothermic Exothermic Catalytic Reversible Endothermic ANSWER DOWNLOAD EXAMIANS APP