Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Film diffusion Ash layer diffusion Chemical reaction Pore diffusion Film diffusion Ash layer diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is 0 3 2 1 0 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 4 12 16 8 4 12 16 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the number of effective collisions Decrease in activation energy None of these Increase in the average kinetic energy of the reacting molecules Increase in the number of effective collisions Decrease in activation energy None of these Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor All of these Lessens its selectivity May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself All of these Lessens its selectivity May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Invertase Zymase Diastase Maltase Invertase Zymase Diastase Maltase ANSWER DOWNLOAD EXAMIANS APP
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