Types of chemical reactions by Hisham 10N

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Across
  1. 4. substance that gains oxygen
  2. 8. white solid precipitate
  3. 9. reactions where many reactants form one product
  4. 10. reactions which absorbs heat
  5. 12. used for whitewashing
  6. 13. aeriel oxidation of oils and fats
  7. 14. reaction where one reactant decomposes to many products
Down
  1. 1. substance which is used to prevent rancidity
  2. 2. reactions where heat is released
  3. 3. reactant used in black and white photography
  4. 5. simple form of chemical reaction
  5. 6. method to prevent corrosion
  6. 7. colour of lead iodide
  7. 11. detoriation of metals due to water,air etc
  8. 15. gas which can be tested by a smouldering matchstick