General Knowledge · Miscellaneous
Which substance is used to purify drinking water, as mentioned in UPPCS (Pre) GS, 2013?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Chlorine✓
- 2Benzoic Acid
- 3Silver Iodide
- 4Sodium Thiosulfate
Correct answer
Chlorine
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