SC-1118
pH scale
Lower Sec Science · Secondary 2 · Easy · pH scale
A student adds a few drops of universal indicator to a solution. The solution turns orange. What can be concluded about the solution?
- It is a weak acidic solution with pH around 4–5.
- It is a neutral solution with pH 7.
- It is a strong alkaline solution with pH 13–14.
- It is a strong acidic solution with pH 1–2.
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