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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.

Less than
More than
Equal to or more than
Equal to

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Chemical Reaction Engineering
When a catalyst increases the rate of chemical reaction, the rate constant

Decreases
Remains constant
Increases
Becomes infinite

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Chemical Reaction Engineering
A first order reaction requires two equal sized CSTR. The conversion is

Same whether they are connected in series or in parallel
Less when they are connected in series
More when they are connected in parallel
More when they are connected in series

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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
Intestine
Saliva
Blood

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Chemical Reaction Engineering
With increase in initial concentration, the fractional conversion of a first order reaction in a given time

Increases
Remains constant
Unpredictable
Decreases

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Chemical Reaction Engineering
__________ resistance is not involved in the combustion of a carbon particle.

None of these
Chemical reaction
Gas film
Ash

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