A substance which alters (i.e. increases or decreases) the rate of the reaction without taking part in the reaction is called

Q. A substance that changes the rate of a chemical reaction without taking part in it is called as

Q. Assertion :Catalyst is a substance which takes part in a chemical reaction, undergoes chemical change and alters the rate of a reaction Reason: Catalyst is a substance which does not take part in a chemical reaction, but changes the rate of reaction

Q. The substance which decreases the rate of a chemical reaction is called:

Q. A substance which alters the rate of reaction:

Q. The substance which take part in a chemical reaction is called __________.