12. Which of the following indicators gives pink colour in acid solution?
(a) Methyl orange
(6) Phenolphthalein
(c) Litmus
(d) Bromothymol blue
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Answer:
Phenolphthalein
MARK BRAINLIEST
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Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions.
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