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B
Malachite
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C
Diaspore
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D
Cassiterite
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Solution
The correct option is D Malachite (A) Pyrolusite is MnO2 (B) Malachite is Cu(OH)2.CuCO3. It is carbonate ore. (C) Diaspore ia Al2O3.H2O (D) Cassiterite is SnO2