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

Gland

Saliva

Blood

Intestine

Gland

Saliva

Blood

Intestine

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Chemical Reaction Engineering
The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to

D

√d

D1.5

D2

D

√d

D1.5

D2

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

Decrease in activation energy

Increase in the average kinetic energy of the reacting molecules

Increase in the number of effective collisions

None of these

Decrease in activation energy

Increase in the average kinetic energy of the reacting molecules

Increase in the number of effective collisions

None of these

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Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Less than

More than

Same as

Data insufficient; can't be predicted

Less than

More than

Same as

Data insufficient; can't be predicted

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Chemical Reaction Engineering
Organic catalysts differ from the inorganic catalyst in the sense that the former is

Proteinous in nature

Prohibitively costly

Active at very high temperature only

Active at cryogenic temperatures only

Proteinous in nature

Prohibitively costly

Active at very high temperature only

Active at cryogenic temperatures only

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Chemical Reaction Engineering
The single parameter model proposed for describing non-ideal flow is the __________ model.

Both A & B

Dispersion

Tank in series

Neither A nor B

Both A & B

Dispersion

Tank in series

Neither A nor B

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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 The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to

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

Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is

Chemical Reaction Engineering The single parameter model proposed for describing non-ideal flow is the __________ model.

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
The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to

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

Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

Chemical Reaction Engineering
Organic catalysts differ from the inorganic catalyst in the sense that the former is

Chemical Reaction Engineering
The single parameter model proposed for describing non-ideal flow is the __________ model.