Changes

[[Phenolphthalein]] is an [[Indicator (Chemistry)|indicator]] [[dye]] that changes colour depending on the [[pH]] of a[[solution]]. ===About Phenolphthalein===: [[Phenolphthalein]] is a [[transparent]] without colour when it is in a [[Neutral (Chemistry)|neutral]] [[solution]].: [[Phenolphthalein]] changes colour quickly between [[pH]] 7 and 8 to turn pinky purple at [[pH]] 8 and beyond.