Chemical reactions and equations.

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Across
  1. 2. zinc coating on metals to prevent corrosion
  2. 4. type of decomposition where sunlight is used
  3. 6. type of decomposition where heat is used
  4. 8. type of reaction where hydrogen is gained or oxygen is lost.
  5. 10. type of reaction where hydrogen is lost or oxygen is gained
  6. 13. eating up of metals
  7. 14. the substances that react together in a chemical reactions
  8. 15. 2 compounds exchange ions to form new compounds
Down
  1. 1. 2 or more substances combine to form a single substance
  2. 3. equation where the no of atoms of each element is same on lhs and rhs
  3. 5. 1 or a group of atoms of a compound is replaced by another group of atoms
  4. 7. the oxidation of oils or fats in food resulting in bad taste and smell
  5. 9. the end products of a chemical reaction
  6. 11. type of decomposition where electricity is used
  7. 12. its a process in which 1 or more substances react to form new substances with new properties