Computer · Environmental Engineering
IS 10500-2012 के अनुसार, पीने के पानी में सीसे (lead) की मात्रा की स्वीकार्य सीमा ____ है।
- 10.05 mg/l
- 20.001 mg/l
- 30.00 mg/l
- 40.01 mg/l✓
सही उत्तर देखें
0.01 mg/l
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