Types of reactions

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Across
  1. 3. heat is absorbed
  2. 4. oxygen decreases
  3. 7. both Oxidation and Reduction takes place
  4. 9. a percipitate is formed
  5. 12. light is absorbed and a substance decomposes
  6. 13. higher reactive metal displaces less reactive metal
  7. 14. oxygen increases
Down
  1. 1. salt and water are the products
  2. 2. electricity is absorbed and a single substance decomposes
  3. 5. two substance react by an exhange of ions
  4. 6. heat is absorbed and a substance decomposes
  5. 7. aerial Oxidation of oil and fats
  6. 8. eating away of metals due to action of acid , oxygen, moisture on its surface
  7. 10. heat is released
  8. 11. two or more new substances are formed