Across
- 2. example of physical change
- 6. acid + base
- 7. milk of magnesia
- 9. chemical name of baking soda
- 10. high level of acid in clouds
- 11. crystals of alum
Down
- 1. burning of magnesium ribbon
- 3. chemical change
- 4. chemical change in plants
- 5. citric acid
- 8. turns red on reaction with base