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Subjects
Science State Board
Class 10
Periodic Classifications of elements
Introduction to Metallurgy
6.
Carbonate and sulphide ores
Exercise condition:
4
m.
Choose the best answer:
1.
The oxide ore of copper is
Bauxite
Cuprite
Haematite
None of these
2.
The carbonate ore of iron is
Siderite
Fluorspar
Haematite
Pyrite
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