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Question
Which of the following is an ore of aluminium?
Options
Siderite
Cryolite
Calamine
Haematite
MCQ
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Solution
Cryolite
Explanation:
Cryolite (Na3AlF6) is an important ore of aluminium used during its electrolysis. Siderite and haematite belong to iron, while calamine is an ore of zinc.
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