Social & Preventive Medicine The safe- limit of fluorine in drinking water is A 0.2 -0.5 mg/ L B 0.5 - 0.8 mg/L C 0.8-1.2 mg/L D 1.2-2.0 mg/L 💡 Explanation The safe- limit of fluorine in drinking water is ✓ Correct Answer: B. 0.5 - 0.8 mg/L