Environment & Ecology · Environmental Science
IS 10500 : 2012 के अनुसार, वैकल्पिक स्रोत की अनुपस्थिति में पीने के पानी में कुल घुले हुए ठोस पदार्थ (TDS) की स्वीकार्य सीमा (mg/l में) कितनी है?
- 12000✓
- 2200
- 3500
- 41000
सही उत्तर देखें
2000
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