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| Q. |
Which one of the following minerals is found in pure form? |
| A. | Iron |
| B. | Copper |
| C. | Bauxite |
| D. | Manganese |
| Answer» B. Copper | |
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Explanation: Copper is one of very few elements that are found in essentially pure form in nature. But the bulk of the copper resource is found in other minerals. |
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