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प्रश्न
The indicator that changes to pink colour in an alkaline solution is ______.
पर्याय
Blue Litmus
Methyl Orange
Red Litmus
Phenolphthalein
उत्तर
The indicator that changes to pink colour in an alkaline solution is phenolphthalein.
Explanation:
It is an indicator of acid and base that is colorless in acidic solutions but turns pink in alkaline ones.
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