list out 10 combustible materials and 10 non combustible materials
Combustible materials...
- Petrol
- LPG
- CNG
- Wood
- Coal
- Paper
- Dry leaves
- Biogas
- Cotton
- Methanol
Non-combustible materials..
- Stone
- Water
- Iron
- Steel
- Gold
- Silver
- Calcium carbonate
- Glucose
- Calcium hydroxide
- Carbon dioxide