Hello hello !!

I am hoping that you are absolutely fine and doing well. As per your mentioned query,i would like to know you that knowing the important chapters can enhance your marks in your exam. So , i will mention the important chapters of Chemistry :

1. Chemical bonding
2. Electrochemistry
3. Coordination compound
4. Salt analysis
5. Ionic equilibrium
6. Thermodynamics & thermochemistry
7. Aldehydes and ketones
8. Aromatic hydrocarbons
9. GOC isomerism
10. Liquid solutions
11. Alkyl halides and aryl halides

To understand chemistry easily, first try to read the NCERT as ncert is the mother of all the exams. Chemistry ncert is very fruitful as it contains all the basics and you can easily understand as well. After that try to do the questions from any other standard book so that you can practice the questions.

These are the some chapters that are important to cover.

To know more, kindly visit the given link:

https://engineering.careers360.com/articles/most-important-topics-of-jee-main-2023

I hope this will be helpful for you.

Good luck (••)