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Chemical Reaction Engineering

Chemical Reaction Engineering
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is

Zymase
Maltase
Invertase
Diastase

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Chemical Reaction Engineering
The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called

Operational yield
Relative yield
Selectivity
None of these

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Chemical Reaction Engineering
Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

Of high calcination temperature
CaO is not dissociated
CO₂ escapes continuously
CaO is more stable than CaCO₃

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Chemical Reaction Engineering
For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single

PFR of volume V/X
CSTR of volume V/X
PFR of volume V
CSTR of volume V

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Chemical Reaction Engineering
For reaction, P + 2 → 3R, molar rate of consumption of P is

Double of that of Q
Same as that of Q
2/3rd of that of Q
Half of that of Q

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Chemical Reaction Engineering
In flow reactors, the performance equations interrelate the rate of reaction to the

Reactor volume
All of these
Extent of reaction
Feed rate

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