11th chemistry chapter-01|multiplication,division,addition & subtraction of significant figures|

सार्थक अंकों का- गुणा/ भाग /योग/ घटाना

telegram group for test
👇
https://t.me/naimistry

YouTube link for previous lecture

https://youtu.be/2BDhiwMWWkU

chemistrychapter-01|multiplication,division,additionsubtraction