Chemistry
JAMB 1978
The pH of four solutions W, X, Y, Z are 4, 6, 8, 10 respectively, therefore
-
A.
none of these solutions is acidic
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B.
the pH of Y is made more acidic by addition of distilled water
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C.
Z is the most acidic solution
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D.
W is the most acidic solution
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E.
X is neutral
Correct Answer: Option 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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