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Chemical Reaction Engineering

Chemical Reaction Engineering
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

Autocatalytic
Catalytic
None of these
Photochemical

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Chemical Reaction Engineering
For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR.

0.9
0.3
0.6
0.15

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Chemical Reaction Engineering
The importance of diffusion in a catalyst are increased by

All of these
An active surface of the catalyst
Small pore diameter
Large catalyst particle size

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Chemical Reaction Engineering
A catalyst in a chemical reaction

Alters the reaction mechanism
All of these
Increases the frequency of collisions of reacting species
Decreases the activation energy

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Chemical Reaction Engineering
In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

No change
Increase
Decrease
Unpredictable from the data

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Chemical Reaction Engineering
Backmixing is most predominant in

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

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