The technique used to separate components of mixture in solid phase ?
Correct answer: C. Sublimation
- A. Crystallization
- B. Filtration
- C. Sublimation
- D. Solvent extraction
Explanation
Sublimation separates a solid that changes directly into vapour from non-sublimable solid impurities, and the vapour is then deposited as a solid. A student may choose crystallization, but crystallization separates substances through differences in solubility in a solvent, not direct solid-to-vapour conversion.
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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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