CH-104
pH scale
Chemistry · Secondary 3 · Hard · pH scale
A student measures the pH of four solutions.
W: pH 2
X: pH 6
Y: pH 8
Z: pH 13
Which statement is correct?
A W has the highest concentration of OH⁻ ions.
B X is a stronger acid than W.
C Y is a weaker alkali than Z.
D Z has the lowest concentration of OH⁻ ions.
W: pH 2
X: pH 6
Y: pH 8
Z: pH 13
Which statement is correct?
A W has the highest concentration of OH⁻ ions.
B X is a stronger acid than W.
C Y is a weaker alkali than Z.
D Z has the lowest concentration of OH⁻ ions.
- W has the highest concentration of OH⁻ ions.
- X is a stronger acid than W.
- Y is a weaker alkali than Z.
- Z has the lowest concentration of OH⁻ ions.
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