1. Tardigrade
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  3. Chemistry
  4. Assertion: A catalyst increases the rate of reaction without itself undergoing any permanent chemical change. Reason: A catalyst changes the Gibbs energy (Δ G) of the reaction and equilibrium constant of the reaction.

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Q. Assertion : A catalyst increases the rate of reaction without itself undergoing any permanent chemical change.
Reason : A catalyst changes the Gibbs energy $(\Delta G)$ of the reaction and equilibrium constant of the reaction.

Chemical Kinetics

Solution:

A catalyst does not alter the Gibbs energy and equilibrium constant of the reaction. It catalyses forward and backward reaction to the same extent so that equilibrium state remains same but reaches earlier.