HomePPSC Past PapersWhich gas is used to Kill bacteriain water? 1. Which gas is used to Kill bacteriain water?By Admin / September 20, 2025 A. Hydrogen B. Chlorine C. Nitrogen D. Sulphur ✅ The correct answer is option Chlorine.
38. Which article of the 1973 constitution of Islamic Republic of Pakistan prohibits all forms slavery, Forced labour and child labour Leave a Comment / PastPaper 02, PPSC Past Papers / By Admin