MCQOPTIONS
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| 1. |
Water flowing with chlorine concentration 10 mg/L at the rate of 20 Liter/min, is discharged into a river, if the concentration of chlorine in river is 5 mg/L what is the flow rate of river? |
| A. | 10 Liter/min |
| B. | 20 Liter/min |
| C. | 30 Liter/min |
| D. | 40 Liter/min |
| Answer» B. 20 Liter/min | |