The process in which solid changes directly into vapours without passing through liquid state?
Correct answer: B. Sublimation
- A. Decantation
- B. Sublimation
- C. Evaporation
- D. None
Explanation
Sublimation is the direct change of a solid into vapour without passing through the liquid state, as occurs with substances such as naphthalene and iodine. Evaporation starts from a liquid, so it is the likely mistaken choice when the direct solid-to-vapour change is overlooked.
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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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