Computer · Environmental Engineering
In the Versenate method (Hardness test), water is titrated against an EDTA salt solution using Eriochrome Black T as an indicator. At the end point of the titration, the color changes from:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Blue to yellow
- 2Yellow to blue
- 3Blue to sea green
- 4Wine red to blue✓
Correct answer
Wine red to blue
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