Chemical Reactions

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Across
  1. 2. before
  2. 6. mix
  3. 7. heat
  4. 8. burn
  5. 10. liquid
  6. 11. change
  7. 12. solid
Down
  1. 1. after
  2. 3. reaction
  3. 4. chemical
  4. 5. bubbles
  5. 9. gas