NCERT Class XII Chemistry
Chapter - The Solid State
Questions with Solutions

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Question : 2
Total: 50
What makes a glass different from a solid such as quartz? Under what conditions could quartz be converted into glass?
Solution:  
Glass is an amorphous solid in which the constituent particles (SiO4tetrahedra) have only a short range order and there is no long range order.In quartz, the constituent particles (SiO4 tetrahedra) have both short range as well as long range orders. On melting quartz and then cooling it rapidly, it is converted into glass.
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