SC-1120
pH scale
Lower Sec Science · Secondary 2 · Easy · pH scale
A student adds a few drops of universal indicator to a solution. The indicator turns blue, showing a pH of about 9. Which conclusion about the solution is correct?
- It is a weak alkaline solution.
- It is a strong acidic solution.
- It is a neutral solution.
- It is a strong alkaline solution with pH 2.
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