CBSE Class 10
Free courses
Science
Natural Resources
Lesson 3 of 5 • 18 upvotes • 5:57mins
5 lessons • 22m
Coal and Its Importance (in Hindi )
4:06mins
Types of Coal (in Hindi)
4:15mins
Biogas and its Uses (in Hindi)
5:57mins
Natural Gas (in Hindi)
4:34mins
Fossil Fuel and Biomass (in Hindi)
3:42mins