MCQOPTIONS
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| 1. |
BERYLLIUM_IS_A_DUCTILE_MATERIAL,_BEFORE_TURNING_BRITTLE_AT_______?$ |
| A. | 100<sup>o</sup>C |
| B. | 200<sup>o</sup>C |
| C. | 400<sup>o</sup>C |
| D. | 500<sup>o</sup>C |
| Answer» E. | |