Across
- 2. what number is water
- 3. what colour is water
- 4. what is a strong acid
- 8. what is a weak acid
- 9. what is a strong alkaline
- 11. what would a lemon be
- 12. What would baking powder be
- 13. what colour is a weak alkaline
Down
- 1. what number is a weak alkaline
- 2. what would washing up liquid be
- 5. what is the biggest number on the ph scale
- 6. what colour is a weak acid
- 7. what colour is a strong acid
- 10. what colour is a strong alkaline
