CF72

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Across
  1. 4. Numerical scale from 0 to 14
  2. 7. Measure of basicity
  3. 8. pH interval showing color change
  4. 9. Having pH above seven
  5. 10. Water ionization constant expression
  6. 12. Having pH below seven
  7. 14. pH of seven
  8. 15. Measure of acidity
Down
  1. 1. Proton donor
  2. 2. Amount dissolved in solution
  3. 3. Product of ion concentrations
  4. 5. Degree of acid character
  5. 6. Degree of base character
  6. 11. Ionization constant of water
  7. 13. Mathematical function used in pH