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Oxygen family- Chalcogens Part-1
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This is all about general introduction of oxygen family?? Why they called so?? Their abundance in nature and all about their abundance and Why callled as chalcogens??

Uma is teaching live on Unacademy Plus

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

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U
Unacademy user
Nice lesson. please make lesson on civil rights (Protection) Act 1955 also.
Pratiksha Singh
a year ago
Sure , I'll make