A great video lecture conducted by experienced chemistry teacher on 9th class chemistry chapter 7 topic metallic coating. Get full understanding or ask any questions.
Metallic Coating, ch 7, lec 7.7.2.4 , Metallic Coating - 9th Class Chemistry
13:39
Electrolytic Method, ch 7, lec 7.7.2.4 , Metallic Coating - 9th Class Chemistry
12:27
Electroplating of Chromium, ch 7, lec 7.7.2.4 , Metallic Coating - 9th Class Chemistry
23:33
Electrolytic Refining of Copper , ch 7, lec 7.7.2.4 , Metallic Coating - 9th Class Chemistry
7:52