Difference between revisions of "Phenolphthalein"
(Created page with "==Key Stage 3== ===Meaning=== Phenolphthalein is a") |
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[Phenolphthalein]] is a | + | [[Phenolphthalein]] is an [[Indicator (Chemistry)|indicator]] [[dye]] that changes colour depending on the [[pH]] of a [[solution]]. |
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| + | ===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. | ||
Revision as of 10:23, 29 September 2018
Key Stage 3
Meaning
Phenolphthalein is an 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 solution.
- Phenolphthalein changes colour quickly between pH 7 and 8 to turn pinky purple at pH 8 and beyond.