Chemistry Chemical Tests
Across
- 2. colour of limewater after carbon dioxide is added
- 3. colour of precipitate when sodium hydroxide is mixed with Copper (II) ions
- 4. ion that burns with an orange-red flame when doing a flame test
- 5. gas that relights a burning splint
- 8. name of solution added to the test for sulfate ions to remove any carbonate ions present
- 12. ion that burns with a yellow flame
- 13. colour of precipitate when testing for sulfate ions
- 14. group of atoms that are tested by using nitric acid and silver nitrate
Down
- 1. ion that gives a blue-green flame in a flame test
- 2. name of gas given off when hydrochloric acid is added to carbonates
- 4. gas that bleaches damp blue litmus paper
- 6. colour of precipitate when NaOH is added to iron 2+ ions
- 7. ion that gives a red-brown precipitate when sodium hydroxide solution is added
- 9. gas that turns damp red litmus paper red
- 10. ion that burns with a red flame in a flame test
- 11. name of substance used to test for carbon dioxide
- 15. colour of flame when K+ ions are present