Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CO₂ escapes continuously Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ CO₂ escapes continuously Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in initial concentration, the fractional conversion of a first order reaction in a given time Increases Decreases Remains constant Unpredictable Increases Decreases Remains constant Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Frequency factor Activation energy Rate constant Rate of reaction Frequency factor Activation energy Rate constant Rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 3 4 6 8 3 4 6 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Total pressure of the system Initial concentration of N₂ and H₂ Temperature Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature Volume of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation. None of these Isothermal Non-adiabatic Adiabatic None of these Isothermal Non-adiabatic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
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