Across
- 4. colour of indicator solution in milk
- 6. chemical that changes colour with acids or alkalis
- 9. method to separate colours (in inks)
- 11. substances with low pH values
- 13. Magnesium chloride is one of these
- 15. tablets to neutralise acid during indigestion
- 17. liquid that dissolves a solute
- 18. colour of indicator solution in washing-up liquid
- 19. reacts with acid to for salt and water
Down
- 1. amount of solute in a volume of solvent
- 2. bases that dissolve in water
- 3. food pipe
- 5. muscular bag containing acid
- 7. paper or solution that indicates acidity or alkalinity
- 8. insoluble from reaction between substances in solution
- 10. indicate a chemical reaction
- 12. substance that is dissolved in a solution
- 14. elements on the left of the periodic table
- 16. causes chemical reactions and destroys other substances in doing so
- 19. natural indicator
