Safe and the most reliable method of drying crystals is through_________________?
Correct answer: B. Vacuum desiccators
- A. Filter paper
- B. Vacuum desiccators
- C. Oven
- D. None of these
Explanation
A vacuum desiccator removes moisture at reduced pressure without strongly heating the crystals, making it safer for heat-sensitive substances and reducing decomposition. Filter paper may remove surface liquid, while an oven can damage or alter some crystals. Students may choose a because crystals are first placed on filter paper, but that step alone does not provide the safest complete drying.
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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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