Chemistry KLASS

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