Environment & Ecology · Environmental Engineering
IS 10500 के अनुसार पीने के पानी के मापदंडों और उनकी स्वीकार्य सीमाओं का निम्नलिखित में से कौन सा जोड़ा सही ढंग से सुमेलित है?
- 1फ्लोराइड - 0.5 mg/l
- 2क्लोराइड - 250 mg/l✓
- 3लोहा (Iron) - 0.5 mg/l
- 4pH - 6
सही उत्तर देखें
क्लोराइड - 250 mg/l
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