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प्रश्न
The ore of aluminium is ______.
विकल्प
calamine
haematite
magnetite
cryolite
MCQ
रिक्त स्थान भरें
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उत्तर
The ore of aluminium is cryolite.
Explanation:
Cryolite (Na3AlF6) is an important fluorine-based mineral ore of aluminium used heavily in its extraction.
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