Simple Chemical Reactions

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