Answer:Here are 20 examples of flammable material1. **Gasoline**2. **Propane**3. **Ethanol**4. **Acetone**5. **Butane**6. **Methanol**7. **Kerosene**8. **Diesel fuel**9. **Turpentine**10. **Isopropyl alcohol**11. **Hydrogen gas**12. **Natural gas (Methane)**13. **Lighter fluid**14. **Coal**15. **Wood**16. **Paper**17. **Cooking oil**18. **Nail polish remover**19. **Plastic**20. **Charcoal**These materials can catch fire easily and should be handled with care, especially around open flames or heat sources.