एल्युमिनियम बनाने के लिए क – McqOptions

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1.	एल्युमिनियम बनाने के लिए कौन सा मुख्य खनिज प्रयोग होता है -
A.	लिग्नाइट
B.	हेमाटाइट
C.	मैग्नेटाइट
D.	बॉक्साइट
Answer» E.

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