Computer · Environmental Engineering
भारतीय मानकों (IS 10500:2012) के अनुसार, वैकल्पिक स्रोत की अनुपस्थिति में पीने के पानी में तांबे (copper) की स्वीकार्य सीमा क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.1 mg/l
- 20.5 mg/l
- 31.5 mg/l✓
- 40.05 mg/l
सही उत्तर देखें
1.5 mg/l
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