Chemical Reactions and Equations

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Across
  1. 4. A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance
  2. 7. When a single reactant breaks down to give simpler products
  3. 8. Oxidation of oils or fats in food
  4. 10. A substance that takes part in and undergoes change during a reaction
  5. 14. An unbalanced equation
  6. 15. Reaction in which a single product is formed
Down
  1. 1. A chemical process of breaking down due to high temperatures
  2. 2. the decomposition or separation of molecules by the action of light
  3. 3. A reaction in which a highly reactive element diplace a less reactive element
  4. 5. Reaction which releases heat and energy into the surroundings
  5. 6. A substance that is present at the end of a chemical reaction
  6. 9. The process of slowly eating up metals by gas and water vapours
  7. 11. Chemical decomposition produced by passing an electric current through a liquid or solution
  8. 12. One of the reactants of an oxidation-reduction reaction which reduces the other reactant by giving out electrons to the reactant
  9. 13. A substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction