vimalraj natarajan


{ City } cuddalore
< Country > india
* Profession * trainee engineer
User No # 85861
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Question { 9916 }

how many TDS & TOTAL HARDNESS, PH of drinking water is
recomanded for human being use.


Answer

TDS is less than 100,harness 150mg/l & PH is 6.5 to 7.5

Is This Answer Correct ?    4 Yes 2 No