Which of the following is correct :AChalcopyrite : Cr BPyrolusite : Cu CPeacock ore : Cu DGalena : Hg
Question
Which of the following is correct :
- A Chalcopyrite : Cr
- B Pyrolusite : Cu
- C Peacock ore : Cu
- D Galena : Hg
Solution
The correct answer is C. Peacock ore : Cu. Peacock ore is another name for the mineral chalcopyrite, which is composed of copper (Cu), iron, and sulfur.
Here's a breakdown of each option:
A. Chalcopyrite : Cr - Incorrect. Chalcopyrite is a copper iron sulfide mineral, not chromium (Cr).
B. Pyrolusite : Cu - Incorrect. Pyrolusite is a mineral consisting essentially of manganese dioxide (MnO2), not copper (Cu).
C. Peacock ore : Cu - Correct. Peacock ore is a term often used to describe two different minerals, chalcopyrite and bornite. Both contain copper (Cu).
D. Galena : Hg - Incorrect. Galena is a lead sulfide mineral (PbS), not mercury (Hg).
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