Food Chemistry 2022

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Across
  1. 2. All separation techniques are __________ changes.
  2. 3. A __________ change occurred when fuel is burnt.
  3. 6. __________ and detergent are example of alkaline found in daily lives.
  4. 8. The lowest pH number on the Universal indicator scale is _________.
  5. 9. Taste of alkaline or base.
  6. 10. _________ dioxide gas is released when acid reacts with some egg shells.
  7. 12. Litmus paper turned _________ in acid.
  8. 14. This technique separation undissolved substance from the liquid.
  9. 15. What substance will react with acid to produce hydrogen gas and water?
  10. 16. This is a common neutral substance.
Down
  1. 1. This technique is an important separation used in the petroleum refinery industries.
  2. 4. Salt farming uses this method to harvest salt.
  3. 5. Strongest pH value for an alkaline is _______.
  4. 7. What gas will give a 'pop' sound with a lighted splint?
  5. 11. The process when acid and alkaline react together.
  6. 13. What is the original colour of the Universal indictor liquid?