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| Q. |
Minamata disease is caused by pollution of water by - |
| A. | lead |
| B. | tin |
| C. | methy isocyanate |
| D. | mercury |
| Answer» D. mercury | |
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Explanation: Minamata disease is a neurological syndrome caused by severe mercury poisoning. The disease was first discovered in Minamata City in Kumamoto prefecture, Japan in 1956. It was caused by the release of methyl mercury in the industrial waste water (point source pollution) from the Chisso Corpora-tion's chemical factory, which continued from 1932 to 1968. |
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