The concentration of Total Dissolved Solids (TDS) in drinking water sh – McqOptions

MCQOPTIONS

1.	The concentration of Total Dissolved Solids (TDS) in drinking water should not exceed
A.	500 mg/L
B.	400 mg/L
C.	300 mg/L
D.	200 mg/L
Answer» B. 400 mg/L

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