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Chemical Reaction Engineering

Chemical Reaction Engineering
If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is

3
2
0
1

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Chemical Reaction Engineering
Which of the following is used for calcination of limestone and dolomite in industrial practice?

Fluidised bed reactor
None of these
Moving bed reactor
Fixed bed reactor

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Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

1/τ exp (-t/τ)
Exp(-t/τ)
Τ exp (-t/τ)
1/τ (-t/τ)

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Chemical Reaction Engineering
The space time is equivalent to the holding time in a steady state mixed reactor for

Gas reactions with changing no. of moles
Variable fluid density systems
Constant fluid density systems
Non-isothermal gas reaction

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Chemical Reaction Engineering
Ionic reactions occur in

Solid state only
Liquid state only
Any state
Solutions

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Chemical Reaction Engineering
The irreversible reaction is a special case of reversible reaction, if the

Conversion of the reactant at equilibrium condition is zero
All of these
Equilibrium constant is 1
Reactant concentration at equilibrium condition is zero

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