MCQOPTIONS
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| 1. |
Which of the following minerals and their ores are correctly matched?1. Zinc-calamine2. Platinum-iridium3. Tin-cassiterite4. Copper-carnolite |
| A. | , 2 and 3 |
| B. | and 4 |
| C. | , 3 and 4 |
| D. | and 3 |
| Answer» E. | |