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A great video lecture conducted by experienced chemistry teacher on 12th class chemistry chapter 3 topic3.1 group iiia elements. Get full understanding or ask any questions.

Group IIIA Elements, ch 3, lec 3.1, Group IIIA Elements - Inter Part 2 Chemistry

6:15

Peculiar Behaviour of Boron, ch 3, lec 3.1, Group IIIA Elements - Inter Part 2 Chemistry

8:08