Q. As per IS 10500:2012, for drinking water in the absence of alternate source of water, the permissible limits for chloride and sulphate, in mg/L, respectively are
(A) 250 and 200 (B) 1000 and 400 (C) 200 and 250 (D) 500 and 1000
Ans: 1000 and 400
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