Types of chemical reactions

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Across
  1. 1. the oxidation of oils or fats in food resulting in bad taste and smell
  2. 4. process which involves gain of oxygen or loss of hydrogen
  3. 6. Both oxidation and reduction take place together
  4. 9. method to prevent corrosion
  5. 10. formula of the substance is CaCO3
  6. 11. method to prevent rancidity
  7. 12. A more reactive metal displaces a less reactive metal from its salt solution
  8. 13. process of passing electricity in water to break down of water molecules
  9. 14. a type of decomposition reaction that involves sunlight
  10. 16. process which involves gain of hydrogen or loss of oxygen
Down
  1. 2. A single substance decomposes to give two or more products
  2. 3. Two or more substances combine to form a single substance
  3. 5. reaction in which insoluble salts are formed
  4. 7. reactions during which heat is evolved
  5. 8. a type of decomposition reaction that involves heat
  6. 15. eating up of metals as a result of exposure to moisture or air