SC-1130
pH scale
Lower Sec Science · Secondary 2 · Easy · pH scale
A student adds universal indicator to four solutions and obtains these pH values:
Solution A: pH 2
Solution B: pH 6
Solution C: pH 8
Solution D: pH 13
Which pair shows a weak acid and a weak alkali?
Solution A: pH 2
Solution B: pH 6
Solution C: pH 8
Solution D: pH 13
Which pair shows a weak acid and a weak alkali?
- A and C
- A and D
- B and C
- B and D
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