MCQOPTIONS
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| 1. |
A certain water needs alum treatment to the extent of 10 p.p.m. How much alum, in quintals per day, would be needed to treat 10 MLD of water? |
| A. | 10 |
| B. | 1 |
| C. | 100 |
| D. | 1000 |
| Answer» C. 100 | |