The pH of four solutions W, X, Y, Z are 4, 6, 8, 1..

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

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A. none of these 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 solution
E. X is neutral

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