Across
- 4. give different colors in different mediums
- 6. present in citrus fruits
- 7. show acidic as well as basic nature
- 8. non supporter of combustion
- 9. produce hydroxyl ions
- 10. burns with pop sound
Down
- 1. produce salt and water
- 2. hydroxide strong base
- 3. produce hydrogen ions
- 5. bases soluble in water
