CH-110
pH scale
Chemistry · Secondary 3 · Medium · pH scale
Which statement about the pH of solutions is correct?
- A solution of pH 3 is ten times more acidic than one of pH 2.
- A solution of pH 2 is ten times more acidic than one of pH 3.
- A solution of pH 7 is slightly acidic.
- A solution of pH 4 is more acidic than one of pH 1.
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