Year 7 Science Unit 8

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Across
  1. 2. a chemical reaction that requires oxygen
  2. 3. a physical property of metal
  3. 8. the reaction of mixing acid and alkali
  4. 9. the substances formed from a reaction
  5. 10. iron reacts with ___ to form iron sulfide
  6. 11. the gas formed when metal reacts with acid
Down
  1. 1. an equipment used to neutralise alkali
  2. 4. medicine to treat indigestion
  3. 5. a substance that tastes sour
  4. 6. produces acid in the mouth
  5. 7. a metal very reactive with water
  6. 9. a measurement of acidity and alkalinity