Across
- 4. symbol of sodium
- 5. release of heat
- 9. two chemical substances react by exchanging ions to produce two new molecules.
- 10. reaction in which both oxidation and reduction occur.
- 12. lead nitrate solution reacts with potassium iodide solution to form
- 13. 2 reactants combine to form a single product
Down
- 1. burns with a dazzling flame in oxygen
- 2. a compound breaks into 2 or more substances
- 3. used for whitewashing of walls
- 6. zinc granules react with dilute sulphuric acid to form zinc sulphate with the evaluation of
- 7. absorption of heat
- 8. a more reactive metal displaces a less reactive metal
- 11. valency of zinc
- 14. balancing equations starts with
- 15. symbol of silver