Question

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 

1)250 and 200

2)200 and 250

3)1000 and 400

4)500 and 1000​

Answer 1

Answer:

Answer is - 3) 1000 and 400

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