Chemistry

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Across
  1. 4. the solid form of water
  2. 8. the main part of the air on our planet
  3. 10. Device for heating chemicals
  4. 11. Produced when a solvent dissolves a solute
  5. 13. Gas necessary for life
  6. 14. Glass container for chemical reactions
  7. 16. state of matter where particles vibrate about a fixed point
  8. 18. the main element in coal
  9. 19. the low density gas in some balloons
  10. 20. hydrochloric and sulphuric are examples
  11. 21. Two hydrogens and an oxygen
Down
  1. 1. The only liquid metal at room temperature
  2. 2. turns blue with universal indicator
  3. 3. Gas produce by a burning candle
  4. 5. highest energy state of matter
  5. 6. units for temperature
  6. 7. the colour of the cooler flame on a Bunsen burner
  7. 9. the colour of the hottest flame on a Bunsen burner
  8. 12. a gas which pops with a lighted splint
  9. 15. materials do this when heated
  10. 17. iron, copper and zinc are all examples of this type of substance