"phenolphthalein" 怎么发音
word
ˌfɛnɑɫfˈθeɪɫən/, /ˌfinɑɫfˈθeɪɫən
fi-NOL-THAY-leen
fiːnɒlˈfθeɪliːn
fee-NOL-THAY-leen
释义
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.
IPA 音标
美式英语
ˌfɛnɑɫfˈθeɪɫən/, /ˌfinɑɫfˈθeɪɫən
英式英语
fiːnɒlˈfθeɪliːn
简化发音
美式
fi-NOL-THAY-leen
英式
fee-NOL-THAY-leen
语境中听
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.