Question

wt is the role of catalyst in a chem reacation,.

Answer 1

hello friend here's your answer
catalyst is a chemical which affects the rate of a chemical reaction that is it accelerates or decerates the rate of reaction without itself getting involved in the reaction.
hope it helps
if u like my answer then pls follow me n mark as brainliest

Answer 2

heya!! friend!

here's your answer :-

catalyst changes (usually increases but sometimes decreases) the rate of chemical reaction without being consumed in the reaction .

=======================================================

hope it helps ^_^