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.

More than
Same as
Data insufficient; can't be predicted
Less than

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Chemical Reaction Engineering
Promoter.

Atlers the position of equilibrium in a reversible reaction
Initiates a chemical reaction and is a catalyst by itself
Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals
All of these

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