Chemistry is a major subject if you are willing to crack jee mains and advanced. Because chemistry is the subject which makes difference in ranks. There are lots of materials available in today's digital world. If you need notes of jee chemistry my suggestion to you would be to install telegram app. There you will find lot of channels and discussion groups who are preparing for jee examination. Just search those file sections of those channels and discussion groups. You will get pdf of lot of coaching institutions notes of not just chemistry other subjects also. So hurry up. You will also get pdf of many books that is helpful for your jee preparation. Thank you. All the best for your preparation.