Very nice video sir
very nice i l u maam so nice your teaching styl
really pleased by your videos I really enjoyed
i like this site,it is very helpful in study
Awesome app and very helpful
subscribed your channel.a well described and simplified lecture . my all doubts cleared. thnx
It was very helpful but reactivity with hydrochloric acid and sulphuric acid also needed here
Nice explanation mam thank you
Very nice mam
mem me aapse communication krna chahta hu
very nice teaching...I understood most of the concepts with the help of good examples ...Keep teaching like this only....................
what a brilliant idea to learn people
your videos are amazing. i just luv your way of teaching.