Environment & Ecology · Environmental Engineering
कंक्रीट सीवर में क्राउन जंग (Crown Corrosion) का मुख्य कारण कौन सी गैस है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1CO2
- 2CH4
- 3NH3
- 4H2S✓
सही उत्तर देखें
H2S
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