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(a). IF both (A) and (R) are correct and...

(a). IF both (A) and (R) are correct and (R) is the correct explanation of (A).
(b). If both (A) and (R) are correct but (R) is not the correct explanation of (A).
(c). If (A) is correct, but (R) is incorrect.
(d). If (A) is incorrect, but (R) is correct. ltbr. (e) if both (A) and (R) are incorrect.
Q. Assertion (A): In the titration of strong acid and strong base, phenolphthalein is used as suitable indocator.
Reason (R): IN the titration of strong acid and strong base, the equivalence points lies is the pH range of `(3.0-10.5)` and phenolphthalein have pH range of `(8.0-9.8)`.

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The correct Answer is:
A
Both (A) and (R) are correct and (R) is correct explanation of (A).
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