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Development Leading Modern Form of Periodic table- Part-1
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Why we need to classify elements??? Doebereiner's law of triads.. Newlands law of octaves...

Uma Bansal is teaching live on Unacademy Plus

Uma Bansal
M.sc Chemistry(KUK)in Inorganic Chemistry ,Qualified IIT JAM,IISER mohali ,love dancing,Exploring New things,passionate about teaching

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mem up police ki tyri kriya aaap