Post-UTME Chemistry 2010 Objective — Question 5
Question 5 of 10 from the Post-UTME Screening (Post-UTME) Chemistry 2010 Objective paper, with the correct answer and a full explanation.
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The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively, therefore
- A. none of the solutions is acidic
- B. the pH of Y is made more acidic by addition of distilled water
- C. Z is the most acidic solution
- D. W is the most acidic solutionCorrect
Explanation
The lowest pH (4) indicates the most acidic solution, which is W.
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