A catalyst increases the rate of reaction by :

A catalyst increases the rate of a reaction by:

A catalyst increases the rate of a reaction by:

A catalyst increases the rate of a reaction by:

A : A positive catalyst increases the rate of reaction . R : A positive catalyst alters reaction mechanism and decreases activation energy.

A : A positive catalyst increases the rate of reaction . R : A positive catalyst alters reaction mechanism and decreases activation energy.

A catalyst increases the rate of reaction because it :