CH-85
pH scale
Chemistry · Secondary 3 · Medium · pH scale
A sample of orange juice contains citric acid.
A student dips Universal Indicator paper into the juice and compares the colour with the pH chart.
The colour matches pH 3.
Which statement about the juice is correct?
A student dips Universal Indicator paper into the juice and compares the colour with the pH chart.
The colour matches pH 3.
Which statement about the juice is correct?
- The juice is neutral and contains equal amounts of H⁺ and OH⁻ ions.
- The juice is alkaline and has a low concentration of H⁺ ions.
- The juice is acidic and has a high concentration of H⁺ ions.
- The juice is alkaline and has a high concentration of OH⁻ ions.
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