The pH value of water for public supplies is limited form – McqOptions

MCQOPTIONS

1.	The pH value of water for public supplies is limited form
A.	4.5 to 5.5
B.	5.5 to 6.5
C.	6.5 to 8.5
D.	8.5 to 10
Answer» D. 8.5 to 10

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