MCQOPTIONS
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| 1. |
Breakpoint chlorination of water involves addition of chlorine in an amount sufficient to: |
| A. | react with any ammonia and readily oxidisable organic matter |
| B. | kill Giardia cysts |
| C. | react with inorganic matter |
| D. | reduce bacterial growth in filters |
| Answer» B. kill Giardia cysts | |