Chemistry

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Across
  1. 4. Substance that changes a reaction
  2. 8. Process of coating iron with zinc to prevent rusting
  3. 9. Gain of electrons in a reaction
  4. 11. Loss of electrons in a reaction
  5. 13. A substance that slows down a reaction
  6. 15. Reaction involving oxygen
Down
  1. 1. Reaction where one element replaces another
  2. 2. Reaction between an acid and a base
  3. 3. A reaction where a compound breaks down into simpler substances
  4. 5. A substance that speeds up a reaction without being consumed
  5. 6. Balanced representation of a chemical reaction
  6. 7. A reaction that produces heat
  7. 10. A reaction where two or more substances combine to form a single product
  8. 12. Substance formed after a chemical reaction
  9. 14. A chemical reaction where energy is absorbed