Q190
If the pH value of X is 9, then the pH value of Y is 2, the pH value of Z is 6 and the pH value of A is 13, then which of the following pairs has strong acid and strong base?
A.
X, A
B.
A, Y
C.
Y, Z
D.
Y, A
AnswerAnswer: Option D
Solution
Answer: Option D
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