अधातु जो विद्युत धारा का च� – McqOptions

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1.	अधातु जो विद्युत धारा का चालक है ?
A.	ग्रेफाइट
B.	हाइड्रोजन
C.	ऑक्सीजन
D.	सल्फर
Answer» B. हाइड्रोजन

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