Across
- 3. Chemical added to water to kill bacteria
- 4. The particles that causes hard water
- 5. test for the presence of water
- 7. Boiling point of water
- 9. Water is an excellent________.
Down
- 1. Apparatus used to split water using electricity
- 2. Chemical added to water to strengthen teeth
- 6. Splitting water into its elements using electricity
- 8. Freezing point