Online Video tutorial is available for all the subjects and important topics at Extramarks. Online Video tutorials and study material are also useful for students who are preparing for competitive entrance exams like NEET, JEE, etc. Extramarks has a complete package for Online Video tutorial for almost all major subject and important modules like Class 6 To 8 Chemistry, Action of Heat on Ammonium Chloride. Visit the Extramarks channel online.
https://www.youtube.com/watch?v=xs7B_7hteCU
