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A great video lecture conducted by experienced chemistry teacher on 9th class chemistry chapter 7 topic oxidation state of rules. Get full understanding or ask any questions.

Oxidation State of Rules, ch 7, lec 7.2, Oxidation State of Rules - 9th Class Chemistry

33:53

Oxidation State of Rules Example 7.1 to 7.3, ch 7, lec 7.2, Oxidation State of Rules - 9th Class Chemistry

13:05