CHEMISTRY

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