Across
- 4. The Chemical Formula of Water
- 5. The amount on salt in 1 litre of water
- 8. a process to conserve irrigation water
- 9. This fraction of the earth's surface is covered with water
Down
- 1. This Day is celebrated as World Water Day
- 2. A solution is formed when a solute is mixed with this
- 3. This percentage of water in present in the oceans
- 6. A solution is called this when the substances mix uniformly
- 7. Water fit for drinking