Hello,

You can visit the link mentioned below to get CSIR UGC NET question paper regarding Chemical Science, past few years questions are given here which will be highly useful for your preparation-

https://competition.careers360.com/articles/csir-ugc-net-question-papers

Or, you can also visit the official website of CSIR-HRDG regarding this-

http://csirhrdg.res.in/old_website/AnswerKeysOld.html