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Q. |
At what pH should the water be maintained? |
A. | 6.5 |
B. | 7.5 |
C. | 8.5 |
D. | 9 |
Answer» B. 7.5 | |
Explanation: the ph of the water should be increased to a value over ph 7.5. the decrease in the value of ph leads to increase in the acidity of water. |
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