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