हिंदी

In the 1950s minamata disease was caused by ____________ poisoning. - Biology

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प्रश्न

In the 1950s minamata disease was caused by ____________ poisoning.  

विकल्प

  • lead

  • arsenic

  • mercury

  • cadmium

MCQ
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उत्तर

mercury

shaalaa.com
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2013-2014 (October) Set 1
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