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| Q. |
Glass is a – |
| A. | pure solid |
| B. | supercooled liquid |
| C. | gel |
| D. | polymer |
| Answer» B. supercooled liquid | |
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Explanation: Glass is an amorphous (non- crystalline) solid material. Glasses are typically brittle and optically transparent. The standard definition of a glass (or vitreous solid) is a solid formed by rapid melt quenching. However, the term glass is often used to describe any amorphous solid that exhibits a glass transition temperature Tg. |
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