Chemistry · Water Treatment
Why is alum added to muddy or suspended drinking water during the purification process?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To remove dissolved salts
- 2To kill pathogenic bacteria
- 3To cause coagulation of suspended impurities✓
- 4To remove dissolved gases
Correct answer
To cause coagulation of suspended impurities
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