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Which of the Following Is NOT an Example of an Ore

Question 111

Multiple Choice

Which of the following is NOT an example of an ore?

A) hematite (Fe₂O₃)
B) chalcocite( Cu₂S)
C) argentite (Ag₂S)
D) chalcopyrite (CuFeS₂)
E) quartz (SiO₂)

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