Chemical Reaction Engineering
A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors.

Both the conversion as well as concentrations will be different
None of these
Conversion in both will be the same but concentrations will be different
Both conversion as well as concentration are same

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Chemical Reaction Engineering
A catalyst loses its activity due to

All of these
Agglomeration of metal particles caused by thermal sintering of the solid surface
Loss in surface area of the active component
Covering of the catalytic active sites by a foregin substance

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Chemical Reaction Engineering
For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

Catalyst size is reduced or the catalyst diffusivity is increased
Catalyst size is increased or the catalyst diffusivity is increased
Catalyst size is increased or the catalyst diffusivity is reduced
Catalyst size is reduced or the catalyst diffusivity is reduced

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