Water Hardness

123456789101112
Across
  1. 4. this hard water can be softened by boiling
  2. 6. efficency decreases when hardwater is boilig in this.
  3. 7. where you get the ions in the water from.
  4. 8. soft water contains this instead of calcium ions.
  5. 9. you measure water hardness ith this.
  6. 10. formed when hard water is heated.
  7. 12. beads that make ions exchange in hard water to become soft.
Down
  1. 1. this hard water can be softened by ion exchange.
  2. 2. added to hard water to soften.
  3. 3. carbonate temporary hard water contains these ions.
  4. 5. the other element in hard water,other than magnesium.
  5. 8. when hard water reacts with soap it produces this.
  6. 11. permentant hardater contains these ions.