The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively,…

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Chemistry JAMB 1978

The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively, therefore

  • none of these solutions is acidic
  • the pH of Y is made more acidic by addition of distilled water
  • Z is the most acidic solution
  • W is the most acidic solution checkmark
  • X is neutral

The correct answer is: D

Explanation

W is the most acidic solution since 4 < 6 < 8 < 10. The lower the value on the pH scale, the more acidic a solution.
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