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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)

None of these
∝ CA
∝ 1/CA
Independent of temperature

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Chemical Reaction Engineering
Which of the following does not produce a change in the value of rate constant of a reaction?

Concentration and catalyst
None of these
Pressure
Temperature

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Chemical Reaction Engineering
If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to

(CA)1/n
(CA)n
(CA)1/2n
(1/2)n.CA

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Chemical Reaction Engineering
For a fluidised bed reactor, the most suitable/relevant model is a __________ model.

None of these
Bubbling bed
Tank in series
Plug flow

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Chemical Reaction Engineering
Enzymes are destroyed, when the

Reaction rate is independent of the reactant's concentration
Temperature is very high
Reactant's concentration is very high
Reactant's concentration is very low

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Chemical Reaction Engineering
The concentration of A in a first order reaction, A → B, decreases

Linearly with time
Very abruptly towards the end of the reaction
Logarithmically with time
Exponentially with time

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