how to achieve maximum no. in chemistry?

1) The JEE Chemistry is divided into three parts-
Inorganic Chemistry
Organic Chemistry
Physical Chemistry
To Acheive good score in the JEE Mains chemistry Exam 
All you need for that is a deep understanding of the NCERT text book. You should know all the important concepts at the tip of your tongue.For inorganic chemistry, every single line of the NCERT text book should be mapped onto your brain. Make charts & mind maps for qualitative analysis. Chemistry is easier to score than compared to Math and Physics in such competitive exams like JEE.