Types of chemical reactions

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