MCQOPTIONS
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| 1. |
Rust is ...... |
| A. | A mixture of Fe2O3, 3H2O and FeO |
| B. | FeO only |
| C. | A mixture of FeO and Fe(OH)2 |
| D. | A mixture of Fe2O3 and Fe(OH)2 |
| Answer» B. FeO only | |