निम्नलिखित में से कौन सी ध� – McqOptions

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1.	निम्नलिखित में से कौन सी धातु मानव ने सर्वप्रथम प्रयुक्त की है -
A.	लोहा
B.	ताँबा
C.	सोना
D.	काँसा
Answer» C. सोना

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