CHEMISTRY FORM 3 (Chemistry of the environment : Water)

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Across
  1. 3. Used of ...... to remove tastes and odours.
  2. 4. There are ...... tests for the presence of water.
  3. 6. The clean water is placed in a reservoir or in a tank that could keep the water clean and safe.
  4. 10. When ...... melting point will decrease.
  5. 12. ....... is added to kill bacteria and microorganisms.
  6. 13. White anhydrous copper(II) sulfate turns ...... in the presence of water.
Down
  1. 1. Blue anhydrous cobalt(II) chloride turns ........ in the presence of water.
  2. 2. Distilled ..... is water that has been boiled into vapour and condensed back into liquid in a separate container.
  3. 3. Chemicals are added to make small suspended particles stick together.
  4. 5. Distilled water is used in practical chemistry because it contains fewer ...... impurities.
  5. 7. ...... water is not pure.
  6. 8. Dissolved ...... are beneficial for aquatic life.
  7. 9. Underground water is the water found underground in the ...... and spaces in soil and rocks.
  8. 11. ....... water melts at 0°C and boils at 100°C.
  9. 13. ...... point will increase when impure.