Chemistry - Knocking, Cetane & Octane Number Lecture 27By Manish Shrivastava 

Thank you so much sir very good👍👍👍

your teaching style is very good

Science hai sir .....

Sir aise lecture la skte hn pls time km h PT Mai jisse km lectures mai science & technology hojaye only important point jo paper mai aa skte hn current mai rhe hn jo abki bar agr ho to dekhlena sir qki maine abhi join Kiya ye channel or science tech ki ye series bhoot lmbi h pls sir short mai laiye kuch ya 1 merathon le lijiye

thanks sir

Thank you so much sir ☺️

1)b 2)a

nice

Mastt classss

Q.1- B

Sir compulsory english papar ki kuch class karba dijiye?🙏🙏

Q.2-A

Sir thoda slow slow chale please

Worst explanation ji