Catalyst

It is the substance which change the rate reaction without participated in chemical reaction is called catalyst and this process is called catalysis.

Iron, Aluminium , Nickel ….etc are act as catalyst in various chemical reaction.

Types of catalyst :- It is of two types

Homogeneous catalyst

Those catalyst which are in same phase or physical state in which reactant and products are present.

Hetrogeneous Catalyst

Those catalyst which are in different phase or physical state in with respect to reactant and products are present.