MCQOPTIONS
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| 1. |
Manganese ferrite is 1: 1 mixture of |
| A. | Manganese nitride and iron oxide |
| B. | Manganese oxide and iron oxide |
| C. | Manganese nitride and iron supplied |
| D. | Manganese oxide and iron sulphate |
| Answer» C. Manganese nitride and iron supplied | |