What causes the colour change of phenolphthalein (phenolphthalein) when an acid is added to an alkaline solution?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) The solution becomes neutral or acidic
2. (B) The temperature rises
3. (C) The solution gets diluted
4. (D) The solution evaporates

Verified Answer

Option (A): The solution becomes neutral or acidic

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