Chemistry chapter 1

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Across
  1. 2. is produced on reaction of sulphuric acid and zinc
  2. 4. colour coating on rusting of iron
  3. 7. used to nature of the substance
  4. 9. is a reaction,a single reactant breaks down into simpler products
Down
  1. 1. example of chemical reaction
  2. 3. substance who take part in chemical reaction
  3. 5. oxidation of fats and oils
  4. 6. substance which is obtained after chemical reaction
  5. 8. an insoluble solid that emerges from liquid solution
  6. 10. can prevent corrosion