Across
- 2. is a mixture of two or more solutes dispersed evenly in a solvent
- 6. particles deposit at the bottom of the tank
- 7. the surface of water that changes water to water vapour
Down
- 1. is added to kill microorganisms in water
- 3. content increases in the water to get rid of unpleasant smell and taste
- 4. of water is the process that happens
- 5. is added so that mud particles stick together and sink to the bottom of the tank