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| Q. |
Solids are removed from the water by which of the following unit operation? |
| A. | inter facial contact |
| B. | solid stabilization |
| C. | ion transfer |
| D. | solids transfer |
| Answer» D. solids transfer | |
| Explanation: during solids transfer, solids are removed from water by straining, sedimentation, flotation and filtration. | |
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