SC-1109
pH scale
Lower Sec Science · Secondary 2 · Easy · pH scale
A student adds a few drops of universal indicator to a solution and it turns green. What can be concluded about the solution?
- It is neutral with a pH of 7.
- It is strongly acidic with a pH of 1.
- It is weakly alkaline with a pH of 9.
- It is strongly alkaline with a pH of 14.
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