What do u mean by catalyst
A substance that make the reaction faster without including in the product is known as catalyst
Uded in reareaction… Provide some sitr for reaction. ,ex -sunlight is cytlyst in photosynthesis
Change the rate of reaction is known as catalyst.
A substance that increases the rate ofa chemical reaction without itself undergoing any permanent chemical change
Catalyst helps in reaction but does not take part in the reaction.For ex..nickel catalyst or palladium.