

MCQOPTIONS
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1. |
Put the following ores in descending order of their iron content:1. Haemetite2. Magnetite3. Limonite4. Siderite |
A. | , 2, 3, 4 |
B. | , 1, 3, 4 |
C. | , 1, 4, 3 |
D. | , 2, 4, 3 |
Answer» C. , 1, 4, 3 | |