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Solution - Define the term 'amorphous'. Give a few examples of amorphous solids - CBSE (Science) Class 12 - Chemistry


Define the term 'amorphous'. Give a few examples of amorphous solids.

Solution 1

Amorphous solids are the solids whose constituent particles are of irregular shapes and have short range order. These solids are isotropic in nature and melt over a range of temperature. Therefore, amorphous solids are sometimes called pseudo solids or super cooled liquids. They do not have definite heat of fusion. When cut with a sharp-edged tool, they cut into two pieces with irregular surfaces. Examples of amorphous solids include glass, rubber, and plastic.

Solution 2

Amorphous solids are those substances, in which there is no regular arrangement of its constituent particles, (i.e., ions, atoms or molecules). The arrangement of the constituting particles has only short range order, i.e., a regular and periodically repeating pattern is observed over short distances only, e.g., glass, rubber and plastics.

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 NCERT Chemistry Textbook for Class 12 Part 1 (with solutions)
Chapter 1: The Solid State
Q: 1 | Page no. 30

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Reference Material

Solution for question: Define the term 'amorphous'. Give a few examples of amorphous solids concept: Amorphous and Crystalline Solids. For the courses CBSE (Science), CBSE (Arts), PUC Karnataka Science, CBSE (Commerce)