อัปโหลดแล้ว 5 ปี ก่อนหน้านี้
Online tutorial and NCERT solutions are available for all the subjects and important topics at Extramarks. Online NCERT study material and solutions are also useful for students who are preparing for competitive entrance exams like NEET, JEE, etc. Extramarks has a complete package for Online NCERT study material for almost all major subject and important modules like Chemistry Class 12 NCERT Solutions. Visit the Extramarks channel online.
https://www.extramarks.com/ncert-solutions/cbse-class-12/chemistry
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