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What does is mean when phenol red turns yellow in a experiment?
Wiki User
∙ 13y ago
phenol red turns yellow because it reacts to carbonic acid, which is a product of carbon dioxide mixing with H2O, or water. Phenol red is a Ph indicator, but not a very good one, so it reacts to strong acids (yellow orange) and strong bases (pink)
hope this helped!
Wiki User
∙ 11y ago
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