Chemistry · Environmental Chemistry and Water Treatment
Consider the following statements regarding the Nalgonda Technique: I. It is a cost-effective community fluoridation/defluoridation method developed in India for removing excess fluoride from drinking water using alum, lime, and bleaching powder. II. It primarily works through advanced membrane filtration technology similar to reverse osmosis systems. III. The technique is completely free from limitations and does not produce any sludge during the treatment process. How many of the above statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Only one
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