
| Question | The largest Arsenic decontamination/purification plant in West Bengal is located at: | |
| Type | multiple_choice | |
| Option | Gangasagar | incorrect |
| Option | Kolkata | incorrect |
| Option | Asansol | incorrect |
| Option | Farakka | correct |
| Solution | The largest Arsenic de-contamination / purification plant in West Bengal is located at Farakka. During the last four decades, arsenic contamination of groundwater in nine districts out of twenty in West Bengal has become a serious problem. | |