Across
- 3. produces a red flame
- 4. name given to a negative ion
- 7. the most reactive halogen
- 10. carbon dioxide makes limewater turn...
- 12. galvanising is a method to prevent...
- 13. the kind of ions donated by acids
Down
- 1. the colour of the precipitate when barium chloride is added to sulfate ions
- 2. the most abundant gas in the atmosphere
- 5. the name of the salts produced from hydrochloric acid
- 6. the gas produced when alkali metals react with water
- 8. relights a glowing splint
- 9. oxidisation is the loss of...
- 11. a substance that can neutralise an acid