Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Less than Equal to Equal to or more than More than Less than Equal to Equal to or more than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used None of these When rate expressions are very simple When the data are scattered For testing complicated mechanisms None of these When rate expressions are very simple When the data are scattered For testing complicated mechanisms ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases Value of threshold energy decreases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Collision frequency increases Value of threshold energy decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? Fixed bed reactor None of these Fluidised bed reactor Moving bed reactor Fixed bed reactor None of these Fluidised bed reactor Moving bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. H₂ CO₂ N₂ He H₂ CO₂ N₂ He ANSWER DOWNLOAD EXAMIANS APP
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