📝 Multiple Choice Question
General-science
Select the correct order of processes used for water purification in waterworks. 1. Filtration 2. Chlorination 3. Suspended impurity sedimentation 4. Solid impurity sedimentation
A
2-1-4-3
B
1-2-3-4
C
4-3-2-1
D
4-3-1-2
Explanation
Water treatment typically follows the sequence of settling solids, removing smaller particles via filtration, and finally disinfecting with chlorine.
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