" A catalyst increases the rate of a reaction by "

A catalyst increases the rate of reaction by :

A catalyst increases the rate of the reaction by

A: A catalyst increases the rate of a reaction. R: In presence of a catalyst, the activation energy of the reaction increases.

A catalyst increases the rate of a reaction with out changing ______

Assertion: A catalyst increases the rate of a reaction. Reason: In presence of a catalyst, the activation energy of the reaction decreases.

Assertion: A catalyst increases the rate of a reaction. Reason: In presence of a catalyst, the activation energy of the reaction decreases.