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Question
Which among the following can be categorized into a pseudo solid?
Which among the following can be categorized into a pseudo solid?
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Solution
The correct option is D Glass
Amorphous solids are formed by sudden cooling of a liquid. These solids are sometimes called supercooled liquids or pseudo solids because they resemble liquids in some of their properties.
Glass is prepared by sudden cooling of raw materials used in its preparation. Glass is a pseudo solid and in a very slow process, it flows like a liquid due to which the base of glass windows gets thicker th_an at top.
CaF2 and NaCl are crystalline solids. They come under the category of crystalline solids since they have a 3D arrangement of cations and anions in a ordered way and have well defined regular shapes.
Thus, glass or quartz glass is a pseudo solid or super cooled liquid.
Amorphous solids are formed by sudden cooling of a liquid. These solids are sometimes called supercooled liquids or pseudo solids because they resemble liquids in some of their properties.
Glass is prepared by sudden cooling of raw materials used in its preparation. Glass is a pseudo solid and in a very slow process, it flows like a liquid due to which the base of glass windows gets thicker th_an at top.
CaF2 and NaCl are crystalline solids. They come under the category of crystalline solids since they have a 3D arrangement of cations and anions in a ordered way and have well defined regular shapes.
Thus, glass or quartz glass is a pseudo solid or super cooled liquid.
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