CHEMISTRY -ACIDS BASES AND SALTS FOR CLASS 7-12 (part1)
Channel: Technical Engines
Date: 2020-12-27

PLEASE WATCH,LIKE ,SUBSCRIBE AND CLICK BELL ICON . This video is recommended for class 7 to class 12
if you want to watch video about computer, here is the link 
https://youtu.be/wZqxZrR8ySU