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NDA-II-2017
Q: 89 (NDA-II/2017)

Q: 89 (NDA-II/2017)

Submitted by examrobotsa on Thu, 01/01/1970 - 05:30

The desirable range of pH for drinking water is

6-5 to 8'5

5-0 to 6'5

6'5 to 7-0

7-0 to 8-5

NDA-II

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