Question

what is meant by catalyst please expain​

Answer 1

Answer:

Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed.

The modes of reactions between the catalysts and the reactants vary widely and in solid catalysts are often complex.

Answer 2

A catalyst is something that starts a chemichal reaction.

If you have a paper volcano and you put in a baking soda catalyst it will start the chemical reaction.