SC-1132
Indicators
Lower Sec Science · Secondary 2 · Medium · Indicators
A student adds a few drops of Universal Indicator to a colourless solution. The solution turns red. Which statement about the solution is correct?
- It is a neutral solution with pH 7
- It is an acidic solution with pH less than 7
- It is a weak alkali with pH just above 7
- It is a strong alkali with pH about 14
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