Chemical Reaction Engineering Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the Activation energy Equilibrium constant None of these Heat of reaction Activation energy Equilibrium constant None of these Heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of the reactants required to dissociate into products is known as the __________ energy. Threshold Activation Binding Thermal Threshold Activation Binding Thermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Ionic reactions occur in Solutions Any state Solid state only Liquid state only Solutions Any state Solid state only Liquid state only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison Pore diffusion All of these Decay reactions Form of surface attack by poison Pore diffusion All of these Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval None of these Increasing the concentration of one or more of the products Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval None of these Increasing the concentration of one or more of the products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced ANSWER DOWNLOAD EXAMIANS APP
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