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Question

The formula of malachite ore is


A
Fe3O4
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B
Mn3O4
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C
NiAs
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D
Cu(OH)2CuCO3
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Solution

The correct option is C Cu(OH)2CuCO3
Fe3O4 is magnetite.
Mn3O4 is hausmannite.
NiAs ia an allot. It is not an ore.
The formula of malachite ore is Cu(OH)2CuCO3.

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