MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the chemical formula of beryl? |
| A. | Be3Al2Si6O18 |
| B. | Be3AlSi6O18 |
| C. | Be3Al2Si6O |
| D. | BeAl2Si6O18 |
| Answer» B. Be3AlSi6O18 | |