Computer · Environmental Engineering
Alum as a coagulant is found to be most effective when the pH range of water is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.0 to 10.5
- 26.5 to 8.5✓
- 34.5 to 5.5
- 43.5 to 4.5
Correct answer
6.5 to 8.5
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