Physical And Chemical Changes

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Across
  1. 2. bubbling
  2. 5. new substances formed
  3. 7. process of seperating solid from liquid
  4. 8. forms on iron exposed to humid air
  5. 9. process of depositing a layer of zinc onre iron
  6. 10. original substances participating in the reaction
Down
  1. 1. insoluble substance that is formed when two chemicals in solution form react
  2. 3. absorption of heat
  3. 4. undergoes change physically
  4. 6. undergoes change chemically