Chemical Reaction Engineering
BET apparatus

Measures the catalyst surface area directly
Operates at very high pressure
None of these
Is made entirely of stainless steel

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
For a heterogeneous catalytic reaction

Free energy of activation is lowered in the presence of catalyst, which remains unchanged at the end of reaction
The surface of the catalyst does not play an important role during reaction
A relatively small amount of catalyst can cause the conversion of large amount of reactants which does not mean that catalyst concentration is important
The catalyst does not form an intermediate complex with the reactant

ANSWER DOWNLOAD EXAMIANS APP

Chemical Reaction Engineering
A catalyst loses its activity due to

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

ANSWER DOWNLOAD EXAMIANS APP