MCQOPTIONS
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MCQOPTIONS
| 1. |
The amount of hypochlorous acid formed when pH of water is 8 is _______________ |
| A. | 95% of total free chlorine |
| B. | 80% of total free chlorine |
| C. | 30% of total free chlorine |
| D. | 5% of total free chlorine |
| Answer» D. 5% of total free chlorine | |