Across
- 4. : the layer that does not allow liquid or gas to pass through it
- 7. water that is fit for consumption
- 9. : helps to kill the harmful microorganisms in water
- 11. : the salinity dissolved salt content of a solution can be measured by a device
- 12. : the particulate impurities which remain on the filter paper
- 13. : the liquid that passes through the filter paper
- 14. : the ability of a solute to dissolve in solvent
- 15. the process of adding chlorine to the water
Down
- 1. : the point at which the solution cannot futher dissolve a solute
- 2. : a fluid which is used to coola system by transferring heat away from one part to another
- 3. : these days ozone is used to sterilize water
- 5. : the level of water under the ground
- 6. : the addition of chemical to the increase the rate of sedimentation
- 8. : The process of giving out of plants
- 10. : asub substance that gets dissolved in a liquid