MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the chemical formula of fayalite? |
| A. | FeO<sub>2</sub>SiO<sub>2</sub> |
| B. | FeOSiO<sub>2</sub> |
| C. | FeO<sub>3</sub>SiO<sub>2</sub> |
| D. | FeO<sub>2</sub>SiO<sub>3</sub> |
| Answer» C. FeO<sub>3</sub>SiO<sub>2</sub> | |