MCQOPTIONS
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MCQOPTIONS
| 1. |
The prescribed hardness limit of potable water ranges between |
| A. | 50 to 75 P.P.M. |
| B. | 75 to 115 P.P.M. |
| C. | 100 to 150 P.P.M. |
| D. | 150 to 200 P.P.M. |
| Answer» C. 100 to 150 P.P.M. | |