Using Chemistry and Environmental Chemistry

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Across
  1. 5. hydrocarbon
  2. 6. energy
  3. 9. combustion
  4. 10. pH
  5. 11. reaction
  6. 12. theory
Down
  1. 1. acidrain
  2. 2. exothermic
  3. 3. oxygen
  4. 4. phlogiston
  5. 7. fuel
  6. 8. displace
  7. 9. chemical
  8. 13. heat