Across
- 4. use of chlorine to kill microorganisms
- 5. clumping of fine particles into larger ones
- 8. substance that dissolves another substance
- 10. substance that neutralises acids
- 12. safe to drink
- 14. substance that speeds up a reaction
- 18. substance that is dissolved
- 19. substance that produces hydrogen ions in water
- 20. mixture of solute and solvent
- 21. removal of insoluble solids using a filter
- 22. belonging to the same series
- 26. settling of particles by gravity
- 27. reaction forming salt and water
- 29. reaction with oxygen producing energy
- 30. –COOH group in acids
- 31. containing only single carbon–carbon bonds
- 32. compound with same molecular formula but different structure
Down
- 1. compound containing a hydroxyl group
- 2. group responsible for chemical properties
- 3. unsaturated hydrocarbon with a double bond
- 6. containing carbon–carbon double bonds
- 7. saturated hydrocarbon
- 9. chemical process that neutralises particle charges
- 11. electron-seeking particle
- 12. measure of acidity or alkalinity
- 13. compound containing only carbon and hydrogen
- 15. insoluble solid formed in solution
- 16. reaction where one atom is replaced
- 17. unwanted substance present
- 18. ability of a substance to dissolve
- 23. reaction where atoms add across a double bond
- 24. –OH group in alcohols
- 25. soluble base
- 28. substance that changes colour with pH