Physics · Environmental Engineering
IS 10500 : 2012 (पेयजल विशिष्टताओं) के अनुसार, पानी में कुल घुले हुए ठोस पदार्थों (TDS) की स्वीकार्य सीमा ______ है।
- 11500 mg/l
- 21000 mg/l
- 3750 mg/l
- 4500 mg/l✓
सही उत्तर देखें
500 mg/l
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