Hard Water

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Across
  1. 2. Rock containing calcium carbonate.
  2. 4. Soft, waste material formed from hard water and soap.
  3. 5. Describes water which is not hard.
  4. 8. exchange Type of column which softens hard water.
  5. 9. Type of disease which is reduced by hard water.
  6. 11. Soft water makes ..... bubbles than hard water
  7. 13. Method of removing all dissolved substances from water.
Down
  1. 1. Type of soda which softened hard water.
  2. 2. Solid deposit formed when temporary hard water is heated.
  3. 3. Ion found in hard water.
  4. 6. Part of the body which contains calcium.
  5. 7. Type of hard water which is not softened by boiling.
  6. 10. Method of softening temporary hard water.
  7. 12. Hard water uses more of this.