Across
- 3. addition of electronegative ion
- 5. occurs when barium chloride reacts with sodium sulphate
- 6. agent causes reduction
- 12. iodide
- 13. reaction between an acid and a base
- 14. reaction taking place when to elements for a single compound
- 16. symbolic representation of a chemical reaction
Down
- 1. chemical used in photography
- 2. reaction when two compounds exchange their ions
- 4. colour of fumes given out when lead nitrate is heated
- 7. reaction taking place when calcium carbonate is heated
- 8. common effect of aerial oxidation on metals
- 9. colour of precipitate formed when lead nitrate reacts with
- 10. this is what an equation should be
- 11. causes oxidation
- 15. addition of electropositive ion