MCQOPTIONS
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MCQOPTIONS
| 1. |
Pyroceram glass softens above _____? |
| A. | 1000<sup>o</sup>C |
| B. | 2000<sup>o</sup>C |
| C. | 4500<sup>o</sup>C |
| D. | 5500<sup>o</sup>C |
| Answer» C. 4500<sup>o</sup>C | |