कार्बन का शुद्ध रूप क्या ह� – McqOptions

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1.	कार्बन का शुद्ध रूप क्या है ?
A.	हीरा
B.	ग्रेफाइट
C.	चारकोल
D.	फुलरिन
Answer» B. ग्रेफाइट

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