Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Gain an electron Gain a proton None of these Lose a proton Gain an electron Gain a proton None of these Lose a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a reaction depends on the Extent of reaction Temperature of the system Initial concentration of reactants Time of reaction Extent of reaction Temperature of the system Initial concentration of reactants Time of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Velocity of reaction can be controlled Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled Velocity of reaction can be controlled Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Smaller than Greater than Equal to Unpredictable from the data Smaller than Greater than Equal to Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions Permits operation at the optimum temperature for a long reaction time All of these Higher overall selectivity for a first order consecutive reaction More uniform operating conditions Permits operation at the optimum temperature for a long reaction time All of these Higher overall selectivity for a first order consecutive reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Intestine Gland Saliva Blood Intestine Gland Saliva Blood ANSWER DOWNLOAD EXAMIANS APP