Environment & Ecology · Environmental Engineering
Match the following water treatment processes with their primary objective: List I (Process): A. Chlorination B. Slow sand filtration C. Reverse osmosis D. Aeration List II (Primary Objective): 1. Removal of dissolved gases and iron/manganese 2. Disinfection and pathogen removal 3. Biological filtration and turbidity removal 4. Desalination and removal of dissolved salts
- 1A-2, B-1, C-4, D-3
- 2A-1, B-3, C-4, D-2
- 3A-2, B-4, C-3, D-1
- 4A-2, B-3, C-4, D-1✓
Correct answer
A-2, B-3, C-4, D-1
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