UPSC CSE - GS
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NCERT Summary
Sci & Tech - NCERT Summary
Lesson 1 of 5 • 13 upvotes • 2:24mins
Overview of the lesson
5 lessons • 37m
Overview (in Hindi)
2:24mins
Atoms and their composition
8:35mins
Molecules, Compound and Mixtures
7:49mins
Chemical Symbols
11:16mins
Quiz Time (in Hindi)
7:48mins