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Introduction to Unit 1 : Some Basic Concepts of Chemistry
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Ansar P Sidhik
Freelance educator,Studied mechanical engineering from Govt Engineering College Thrissur.Really love to teach

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Unacademy user
Notes : 5/10 Presentation : 8.8/10 Audio quality : 10/10 Explanation : 7.5/10
sir where is 5th state of matter (BEC)
improve teaching methods