MCQOPTIONS
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MCQOPTIONS
| 1. |
The maximum permissible nitrites in public water supplies, is |
| A. | Nil |
| B. | 0.5 P.P.M. |
| C. | 1.0. P.P.M. |
| D. | 1.5 P.P.M. |
| E. | 200 P.P.M. |
| Answer» B. 0.5 P.P.M. | |