Across
- 3. a change in which a new substance is formed
- 5. the salt which is produced when lithium reacts with nitric acid
- 6. the salt which is produced when sodium reacts with hydrochloric acid
- 12. what does the state symbol aq represent?
- 15. substances that react together, shown before the arrow in an equation
- 19. the gas produced when metal carbonates react with acid
- 20. are chemical changes normally reversible or irreversible?
- 22. are physical changes normally reversible or irreversible?
- 24. apart from a salt, what else is produced when metal oxide reacts with acid
Down
- 1. a change that changes the physical properties of the substance, but no new substance is formed
- 2. the tendency of a substance to undergo a chemical reaction
- 4. the salt produced when you react magnesium oxide with nitric acid
- 5. what does the state symbol l represent
- 7. the gas produced when metal carbonates are heated
- 8. we use this in science to heat chemicals in experiments
- 9. the test for hydrogen gas
- 10. if carbon dioxide is bubbles through limewater, the limewater turns....?
- 11. this is produced when we react metals with oxygen
- 13. substances formed in a chemical reaction, shown after the reaction arrow in an equation
- 14. what does the state symbol g represent?
- 16. what does the state symbol s represent
- 17. we wear these in science to protect our eyes when doing experiments
- 18. the liquid we bubble gas through to test for carbon dioxide
- 21. the salt which is produced when lead reacts with sulphuric acid
- 23. the gas produced when acid reacts with metals