CBSE Class 9
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Science
Matter - Nature & Behaviour
Lesson 2 of 6 • 1 upvotes • 11:06mins
Lesson 2 Discovery of Atom,law of conservation and law of definit proportion, Dalton's atomic theory Q&A
6 lessons • 54m
Overview (in Hindi)
1:53mins
Discovery of Atom (in Hindi)
11:06mins
What is an Atom (in Hindi)
9:18mins
What is a Molecule (in Hindi)
6:29mins
Writing Chemical Formulae (in Hindi)
11:53mins
Lesson 6, molecular mass and mole concept
13:39mins