Crystallization does not involve_______________?
Correct answer: B. sublimation
- A. heating
- B. sublimation
- C. cooling
- D. vaporization
Explanation
Crystallization commonly involves dissolving a solid by heating, concentrating the solution by partial vaporization, and cooling it to form crystals; sublimation is a different purification technique. Students may choose vaporization because solvent is often removed, but partial vaporization can be part of crystallization.
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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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