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Q:

मानव द्वारा सर्वप्रथम किस धातु का उपयोग किया गया ?

  • 1
    चाँदी
  • 2
    कांसा
  • 3
    पीतल
  • 4
    ताँबा
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Answer : 4. "ताँबा"
Explanation :

Metals were discovered and used around 5000 years ago. The first metal used was copper.

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