Social & Preventive Medicine Horrok&;s apparatus determines Chloride which has to have a holding level of – A 0.1 mg/L B 1 mg/L C 0.01 mg/L D 0.5 mg/L 💡 Explanation Horrok&;s apparatus determines Chloride which has to have a holding level of - ✓ Correct Answer: D. 0.5 mg/L