Computer · Water Quality Standards
According to standard drinking water specifications, the maximum permissible limit of fluoride in the absence of an alternate source should not exceed:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110.0 ppm
- 25.0 ppm
- 31.5 ppm✓
- 40.5 ppm
Correct answer
1.5 ppm
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