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A catalyst remains unchanged at the end ...

A catalyst remains unchanged at the end of the reaction regarding:

A

Mass

B

Physical state

C

Physical state and chemical composition

D

Mass and chemical composition

Text Solution

Verified by Experts

The correct Answer is:
D
State of a catalyst in a reaction:
Mass: Remains
unchanged Physical state : Can change at the end of the reaction. Chemical composition : A catalyst can react and form an intermediate compound but it regenerate at the end of the reaction.
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