Which statement about glass is incorrect?
Correct answer: D. It has a sharp melting point
- A. It is not a true solid
- B. It is attacked by HFl to make designs
- C. Pyrex is the type of glass used in laboratory apparatus
- D. It has a sharp melting point
Explanation
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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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