Phenolphthalein Meaning in English
word
Definição
Phenolphthalein is a chemical compound used as an indicator in acid-base titrations. It changes color to show whether a solution is acidic or basic.
Uso & Nuances
Phenolphthalein is mostly used in chemistry labs and scientific contexts, especially with acids and bases. It is rarely mentioned outside scientific or educational settings.
Frases de Exemplo
Phenolphthalein turns pink in a basic solution.
basic
We used phenolphthalein to test if the liquid was acidic.
basic
The color change of phenolphthalein helps us know the pH.
basic
If the solution stays colorless, phenolphthalein shows it’s still acidic.
natural
For our chemistry lab, we needed a few drops of phenolphthalein to complete the experiment.
natural
Don’t forget to add phenolphthalein before starting the titration.
natural