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Question
The indicator that changes to pink colour in an alkaline solution is ______.
Options
Blue Litmus
Methyl Orange
Red Litmus
Phenolphthalein
MCQ
Fill in the Blanks
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Solution
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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Chapter 3: Study of Acids, Bases and Salts - Questions from ICSE Examinations [Page 77]
