SC-1127
pH scale
Lower Sec Science · Secondary 2 · Medium · pH scale
A solution has a pH of 3. Another solution has a pH of 12. Which statement about these two solutions is correct?
- Both are weak acids.
- The pH 3 solution is a strong acid and the pH 12 solution is a strong alkali.
- The pH 3 solution is a weak acid and the pH 12 solution is a weak alkali.
- Both are neutral solutions.
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