Across
- 3. Any chemical that changes how the body works
- 4. Odourless and colourless
- 5. Scientific word for burning
- 7. Substance that burns to make heat
- 9. Black liquid that contains petrol diesel and kerosine
- 10. Breaks up one unit of alcohol every hour
- 12. Used to separate solids and liquids
- 13. Gas tested using lime water
Down
- 1. Gas makes a pop sound when present
- 2. A mixture made by dissolving a substance in water
- 5. Black solid mainly made from carbon
- 6. Substance that can dissolve in water
- 8. Used to count how much alcohol someone has drank
- 11. Fuel made from plants and in alcoholic drinks
- 14. Relights a burning splint
- 15. Substance that cannot dissolve in water