This presentation introduces students to various chemical compounds including methane, ammonia, carbon dioxide, and sodium chloride. It was created by the website www.gyanbikash.com to educate students in classes nine and ten. The presentation covers these essential compounds and then concludes by thanking the viewers.

1. WELCOME

2. GYANBIKASH.COM
This presentation is made by
www.gyanbikash.com for the
students of class nine to ten

10. Methane

11. NH3

12. CO2

16. NaCl

29. THAT’S ALL FOR
TODAY

30. THANK YOU
GOOD BYE