Environment & Ecology · Environmental Engineering
Chemical precipitation by adding which of the following agents is a widely used method for treating heavy metals in hazardous wastewater?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Calcium hydroxide✓
- 2Lead oxide
- 3Potassium hydroxide
- 4Sodium hydroxide
Correct answer
Calcium hydroxide
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