Which of the following solid has indefinite heat of fusion?
Correct answer: D. Amorphous solids
- A. Crystalline solids
- B. Pure solids
- C. True solids
- D. Amorphous solids
Explanation
Crystalline solids have definite heat of fusion, whereas amorphous solids have indefinite heat of fusion. Anisotropy for crystalline solids is anisotropic, and for amorphous, it is isotropic.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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