Maximum permissible level of chloride in drinking water is: March 2012: (A) 200 mg litre, (B) 300 mg litre, (C) 600 mg litre, (D) 800 mg litre
Answer is C. Ans: C i.e. 600 mg litre Maximum permissible levels in water The standard prescribed for chloride is 200 mg/ litre The maximum permissible level of chloride is 600 mg/ litre