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Subjects
Science TNSB Mentoring
Class 10
Periodic classification of elements
Introduction to metallurgy
8.
Carbonate and sulphide ores
Question:
4
m.
Choose the best answer:
1.
The primary ore of aluminium is
None of these
Bauxite
Cuprite
Haematite
2.
The carbonate ore of magnesium is
Pyrite
Magnesite
Siderite
Bauxite
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