Fertiliser Technology Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. Autocatalytic Endothermic Non-catalytic Exothermic Autocatalytic Endothermic Non-catalytic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Electric process as compared to wet process (for the manufacture of phosphoric acid) Produces a valuable by-product called gypsum Is weak acid process Is used less frequently Can use only high grade phosphate rock Produces a valuable by-product called gypsum Is weak acid process Is used less frequently Can use only high grade phosphate rock 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 Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel Rate of reaction is very low None of these Space velocity of gas is very low resulting in decreased conversion Very high pressure is required resulting in costly pressure vessel ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphatic fertiliser is graded based on its __________ content. PCl5 P₂O₃ P₂O₅ H₃PO₄ PCl5 P₂O₃ P₂O₅ H₃PO₄ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalytic ammonia synthesis reaction as in Haber's process is None of these Irreversible Endothermic Exothermic None of these Irreversible Endothermic Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Iron is not used alone as a catalyst in ammonia synthesis, because It decomposes ammonia It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C None of these It decomposes ammonia It gets oxidised above 500°C Its activity declines rapidly, if heated to above 520°C None of these ANSWER DOWNLOAD EXAMIANS APP
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