Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently None of these Porosity is very important Porosity is of less importance Internal surface area is utilised efficiently None of these Porosity is very important Porosity is of less importance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A photochemical reaction is __________ light. Accompanied with emission of Catalysed by Used to convert heat energy into Initiated by Accompanied with emission of Catalysed by Used to convert heat energy into Initiated by ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A multiple reaction may be classified as a __________ reaction. Mixed Parallel or side Consecutive or side All of these Mixed Parallel or side Consecutive or side All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Both B & C Pore volume Surface area Porosity Both B & C Pore volume Surface area Porosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) N A+N A A-N N A+N A A-N ANSWER DOWNLOAD EXAMIANS APP