phenolphtalein
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phenolphtalein |
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| navigate by keyword : alkaline change chemical chemistry clear color demonstration education educative experiment indicator laboratory liquid magic mix mixed nature phenolphthalein purple reaction red school science scientific tutorial university |
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| Two clear liquids, one alkaline, one phenolphtalein, are mixed and become purple red. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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