Types of reaction

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Across
  1. 3. Break down of compound into 2 or more substance when heat energy is absorbed.
  2. 7. reaction which releases heat
  3. 11. Decomposition reaction where electricity is passed
  4. 13. A reaction which involves addition of oxygen from a substance is called
  5. 14. insoluble solid that emerges from a liquid solution
  6. 15. when 2 elements have been exchanged in a chemical reaction
  7. 16. Oxidation of oil and fat makes it taste bad and old
Down
  1. 1. when 2 or more substance combine to form a single new compound
  2. 2. a reaction where more reactive element displaces a less reactive element.
  3. 4. Decomposition reaction where sunlight is absorbed
  4. 5. reaction which uses energy
  5. 6. process of the slow deterioration of metals.
  6. 8. CaO(s)+H2O(l)→Ca(OH)2(aq)
  7. 9. When iron corrodes when exposed to moisture and gets covered with red flaky substance called
  8. 10. a reaction where both oxidation and reduction is involved
  9. 12. a reaction where oxygen is removed