Computer · Environmental Engineering

Which of the following pairs are correctly matched? 1. Lime-soda process ↔ Softening 2. Nalgonda technique ↔ Fluoride removal 3. Aeration ↔ Coagulation 4. Ozonation ↔ Disinfection

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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1, 2 and 4

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Which of the following pairs are correctly matched? 1. Lime-soda process &harr; Softening 2. Nalgonda technique &harr; Fluoride removal 3. Aeration &harr; Coagulation 4. Ozonation &harr; Disinfection