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6. Acids that only partly ionise in water are called 'strong acids'

  • False
  • True

7. Solutions of weak acids have higher pH values and react more slowly than solutions of strong acids with the same concentration

  • True
  • False

8. Alkalis are soluble bases that produce hydroxide ions OH+ in solution

  • False
  • True

9. In aqeous solutions strong alkalis are not completely ionised

  • False
  • True

10. Weak alkalis ionise completely ionise in aqeous solution

  • False
  • True

11. Solutions of weak alkalis have lower pH values than solutions of strong alkalis with the same concentration

  • True
  • False

12. Bases react with protons, and are called 'proton donors'

  • False
  • True