[" Question "18],[" In the presence of a catalyst,the heat evolved or absorbed during the reaction "]

In the presence of a catalyst, the heatevolved or absorbed during the reaction

In the presence of a catalyst, the heat evolved or absorbed during the reaction ………. .

Why is heat evolved or absorbed in a chemical reaction ?

Heat may evolved or absorbed during a ______ change.

Why does heat get released // absorbed during chemical reactions?

If heat is evolved during a reaction, it is ____

Heat is evolved during ________ reaction .

Assertiojn (A):A catalyst increases that rate of a reaction . ReasonR): In the presence of a catalyst,the activation energy of the reaction increases.

Which equation indicates the presence of a catalyst in the reaction?