CH-98
pH scale
Chemistry · Secondary 3 · Medium · pH scale
A student tests an unknown solution with universal indicator and obtains pH 3. Which description of the solution is correct?
- It is an acidic solution with a high concentration of hydrogen ions.
- It is a neutral solution with equal hydrogen and hydroxide ions.
- It is an alkaline solution with a high concentration of hydroxide ions.
- It is a hot solution because low pH means high temperature.
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