Introduction to Chemistry Definition:- “The branch of science which deals with the study of composition, physical and chemical properties is called Chemistry.” Importance of Chemistry:- The importance of chemistry lies in the fact that we see different natural phenomena taking place in our environment. The process of rusting of iron, the formation of water, the formation of coal and all other things are studied under chemistry. Branches of Chemistry:- There are various branches of chemistry. Some of them are given below:- 1) Physical Chemistry:- “The branch of chemistry which deals with the study of physic...