In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____?
In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____?
تیزابیت والے میڈیم میں، فینولفتھلین بے رنگ ہے اور بنیادی میڈیم میں، یہ ____ ہے؟
Explanation
- Phenolphthalein is a pH indicator that changes color in response to changes in acidity or basicity.
- In an acidic medium, it is colorless, and in a basic medium, it turns pink.