Food Chemistry

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Across
  1. 3. acid and alkali to produce water and salt
  2. 4. to separate inks and dyes
  3. 5. hydrogen gas extinguish lighted splint with this sound
  4. 7. used to measure strength of acid/alkaline (0-14)
  5. 10. used to treat sewage before release
  6. 13. acid react with alkali to produce this gas
  7. 14. separation technique based on boiling and condensation
  8. 15. a pill you eat to neutralise acid in your stomach
Down
  1. 1. to separate insoluble solid from a mixture
  2. 2. 2 or more substances combined together
  3. 6. to prevent nails from rusting
  4. 8. acid react with metal to produce this gas
  5. 9. pH 7
  6. 11. acids taste...
  7. 12. acids turn blue litmus paper/universal indicator...
  8. 13. limewater turns... when this gas is present