

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. | |