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Questions and Answers
Glass does not have a crystalline structure in its state as a type of ceramic.
True
Insufficient cooling time from the molten state can lead to the formation of a glassy state in a material.
True
Most ceramics, unlike glass, crystallize when they solidify from a molten state.
True
Silica (SiO2) is a common component in glass products, typically making up a large percentage of the total composition.
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Silica naturally transforms into a glassy state upon cooling from a liquid, unlike most ceramics.
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Glass compositions do not include sodium oxide (Na2O) as one of the ingredients.
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The addition of lead oxide (PbO) to glass can help alter its color.
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Glass applications typically do not involve altering the index of refraction for optical purposes.
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Boron oxide (B2O3) in glass compositions can improve the chemical resistance against acidic substances.
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Glass-ceramics are a type of material that resembles traditional crystalline ceramics in their structure.
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