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प्रश्न
The compound that is not an ore of aluminum is ______.
पर्याय
Cryolite
Corundum
Fluorspar
Bauxite
MCQ
रिकाम्या जागा भरा
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उत्तर
The compound that is not an ore of aluminium is fluorspar.
Explanation:
Cryolite is Na3AlF6, corundum is Al2C3, fluorspar is CaF2 and bauxite is Al2C3.2H2O.
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पाठ 7: Metallurgy - Questions from ICSE Examinations [पृष्ठ १८३]
