congo red

Questions

What does congo red mean?

An azo dye that turns red in alkaline, blue in acidic solutions.

How to pronounce congo red

1. Open the pronunciation page — Open the Speakur entry for “congo red”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “congo red”.
4. Repeat and practice — Say “congo red” aloud, matching stress and vowels until it feels natural.