Al2O3(SiO2).2H2) is called:
Correct answer: A. Clay
- A. Clay
- B. Talc
- C. Asbestos
- D. None of these
Explanation
Clays used in ceramics and pottery are composed of one or more minerals and may contain up to 40-50% silica.
This question appeared on the UHS MDCAT 2008 paper, which you can sit online with every answer explained.
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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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