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Q:

इटाई - इटाई नामक बीमारी के लिए कौनसा धातु उत्तरदायी होता है ? 

  • 1
    कैडमियम
  • 2
    निकेल
  • 3
    क्रोमियम
  • 4
    पारा
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Answer : 1. "कैडमियम "
Explanation :

Itai-itai disease is caused by cadmium (Cd) exposure, produced as a result of human activities related to industrialisation, and this condition was first recognised in Japan in the 1960s.


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