Across
- 3. two hydrogens and one oxygen
- 6. the colour of the hottest flame on a Bunsen burner
- 10. Produced when a solute is dissolved in a solvent
- 12. The gas which pops with a lighted splint
- 13. Gas produced by a burning candle
- 17. Apparatus for heating chemicals
- 18. the only liquid metal at room temperature
Down
- 1. state with the most energetic particles
- 2. Unit of temperature
- 4. turns blue when litmus is added
- 5. Iron, copper and zinc are all examples of this type of material
- 7. All materials do this when heated
- 8. Glass container for chemical reactions
- 9. state of matter where particles vibrate about a fixed point
- 11. gas necessary for life
- 12. the low density gas in some balloons
- 14. hydrochloric and sulphuric are two examples
- 15. the main part of air
- 16. the solid form of water
- 19. the main element in coal
- 20. the colour of the coolest flame on a Bunsen burner