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

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

Saliva

Intestine

Blood

Gland

Saliva

Intestine

Blood

Gland

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Chemical Reaction Engineering
Carrier in a catalyst increases its

Surface area

Activity

None of these

Performance

Surface area

Activity

None of these

Performance

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Chemical Reaction Engineering
Space time in flow reactor is

The reciprocal of the space velocity

Both A and B

A measure of its capacity

Usually equal to the residence time

The reciprocal of the space velocity

Both A and B

A measure of its capacity

Usually equal to the residence time

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Chemical Reaction Engineering
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

Zero

None of these

Second

First

Zero

None of these

Second

First

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

None of these

∝ CA

Independent of temperature

∝ 1/CA

None of these

∝ CA

Independent of temperature

∝ 1/CA

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Chemical Reaction Engineering
In a zero order reaction, reactants concentration does not change with time and the

Time for half change is independent of the initial concentration

Time for half change is half the time taken for completion of the reaction

Reaction rate is trebled when the initial concentration is trebled

Time for completion of the reaction is independent of the initial concentration

Time for half change is independent of the initial concentration

Time for half change is half the time taken for completion of the reaction

Reaction rate is trebled when the initial concentration is trebled

Time for completion of the reaction is independent of the initial concentration

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Chemical Reaction Engineering

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

Chemical Reaction Engineering Carrier in a catalyst increases its

Chemical Reaction Engineering Space time in flow reactor is

Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

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

Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the

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

Chemical Reaction Engineering
Carrier in a catalyst increases its

Chemical Reaction Engineering
Space time in flow reactor is

Chemical Reaction Engineering
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

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

Chemical Reaction Engineering
In a zero order reaction, reactants concentration does not change with time and the