name the indicator which changes to pink colour in sodium hydroxide
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Phenolphthalein is an indicator of acids (colorless) and bases (pink).Sodium hydroxide is a base, and it was in the pitcher at the beginning, so when added to the phenolphthalein in beakers 2 and 4, it turned pink (top half of the graphic).
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Phenolphthalein is an indicator of acids (colorless) and bases (pink).
mark as barinliest
mark as barinliest
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