MCQOPTIONS
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MCQOPTIONS
| 1. |
Maximum permissible colour for domestic water supplies, based on Cobalt scale, is |
| A. | 5 P.P.M. |
| B. | 10 P.P.M. |
| C. | 15 P.P.M. |
| D. | 20 P.P.M. |
| E. | 25 P.P.M. |
| Answer» E. 25 P.P.M. | |