Como Pronunciar "phenolphthalein"
word
fi-NOL-THAY-leen
fee-NOL-THAY-leen
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.
Transcrição IPA
Inglês Americano
ˌfɛnɑɫfˈθeɪɫən/, /ˌfinɑɫfˈθeɪɫən
Inglês Britânico
fiːnɒlˈfθeɪliːn
Pronúncia Simplificada
EUA
fi-NOL-THAY-leen
UK
fee-NOL-THAY-leen
Ouça em Contexto
Phenolphthalein turns pink in a basic solution.
We used phenolphthalein to test if the liquid was acidic.
The color change of phenolphthalein helps us know the pH.
If the solution stays colorless, phenolphthalein shows it’s still acidic.