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Chemical Reaction Engineering

Chemical Reaction Engineering
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

A ferment or an enzyme
Fungi
Haemoglobin
None of these

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Chemical Reaction Engineering
Collision theory gives the rate constant for bimolecular reaction as

K α √T.e-E/RT
K α e-E/RT
K α eE/RT
None of these

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Chemical Reaction Engineering
Catalyst is a substance, which __________ chemical reaction.

Increases the speed of a
Decreases the speed of a
Can either increase or decrease the speed of a
Alters the value of equilibrium constant in a reversible

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Chemical Reaction Engineering
Backmixing is most predominant in

A plug-flow reactor
CSTR's connected in series
A well stirred batch reactor
A single CSTR

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Chemical Reaction Engineering
Which of the following is a controlling factor in very fast heterogeneous reaction?

Heat and mass transfer effects
Temperature
Composition of reactant
Pressure

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Chemical Reaction Engineering
The increase in the rate of reaction with temperature is due to

Decrease in activation energy
None of these
Increase in the number of effective collisions
Increase in the average kinetic energy of the reacting molecules

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