In this video lecture ,I have explain about An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.
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* Online webinar for chemistry -https://www.youtube.com/edit?o=U&video_id=n_gbVJj5PLs
*solid state | position of octahedral &tetrahedral voids in F.C.C-https://www.youtube.com/edit?o=U&video_id=6jrGVWVRXMU
*How to memorize 7 crystal system -https://www.youtube.com/edit?o=U&video_id=kc7DaJccjFs
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Please watch: “Oxidation Number By Structure Method|Chemistry |IIT-JEE|NEET|AIIMS|CBSE|NCERT | Class 11 | Part 2(i)”