Computer · Environmental Engineering
Consider the below statements with respect to unit operations employed in water treatment and identify the correct answer. Statement A: Objectionable gases such as carbon dioxide, hydrogen sulphide and other volatile odorous substances present in water can be removed by the bubble aeration technique. Statement B: Chemical coagulation technique removes the suspended and colloidal impurities present in water.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both statements are correct.✓
- 2Both statements are incorrect.
- 3Statement A is correct and B is incorrect.
- 4Statement B is correct and A is incorrect.
Correct answer
Both statements are correct.
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