Environment & Ecology · Environmental Pollution
What is the maximum permissible limit for nitrate level (as NO3-) in drinking water set by the Bureau of Indian Standards (BIS: 10500)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135 mg/l
- 250 mg/l
- 340 mg/l
- 445 mg/l✓
Correct answer
45 mg/l
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