Which is false for catalyst ?

A substance which itself is not a catalyst but………….. .the reactivity of a catalyst is called a promoter and the one which reduces the activity is called…………for the catalyst.

A substance which itself is not a catalyst but………….. .the reactivity of a catalyst is called a promoter and the one which reduces the activity is called…………for the catalyst.

Which is not the correct statement for a catalyst?

Which is not the correct statement for a catalyst?

Which is (are) not ture in case of catalyst ?

Which is (are) rue in case of catalyst ?