Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Film diffusion Pore diffusion Ash layer diffusion Chemical reaction Film diffusion Pore diffusion Ash layer diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Concentration Reaction rate Neither A nor B Both A & B Concentration Reaction rate Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Increases Remains unaffected Unpredictable from the data Decreases Increases Remains unaffected Unpredictable from the data Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For any reaction, we may write conversion as a function of All of these Time Temperature Concentration All of these Time Temperature Concentration ANSWER DOWNLOAD EXAMIANS APP