Types of Reactions

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Across
  1. 3. A reaction where oxidation and reduction happen simultaneously
  2. 5. A chemical reaction triggered when light energy is absorbed by a substance's molecules
  3. 8. A type of decomposition reaction in which the activation energy for decomposition is provided in the form of electrical energy
  4. 10. A reaction where two compounds exchange their ions to form new compounds
  5. 11. A reaction where insoluble salts are formed
  6. 13. A reaction during which heat energy is absorbed
  7. 15. Coating metals with a protective layer of zinc to prevent corrosion
Down
  1. 1. The eating up of metals as a result of their exposure to air, moisture, and other gases in the atmoshpere
  2. 2. A reaction where a single substance decomposes to give two or more susbtance
  3. 4. A reaction where oxygen is gained or hydrogen is lost
  4. 6. A reaction where hydrogen is gained or oxygen is lost
  5. 7. A reaction where two or more substances combine to form a single susbtance
  6. 9. A reaction where one or a group of atoms of a compound is replaced by another atom or group of atoms
  7. 12. The oxidation of oils or fats in food resulting in bad taste and smell
  8. 13. A reaction during which heat energy is evolved
  9. 14. A substance that speeds up a chemical reaction