Question

1)it is natural indicator and gives pink colour in base solution .
2)Nature of ant's sting .
3)It is used to test whether a substance is acidic or basic .
plz answer it
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Answer 1

Answer:

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Explanation:

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

hope this help you.