optical glass is made up of ???
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Answer:
Optical glass is made up of flint glass.
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Explanation:
Glasses can be considered to be solutions, rather than chemical compounds. According to Meyer-Arendt, about 95% of all glasses are of the "soda-lime" type, containing silicon dioxide (silica), Na2O (soda), and CaO (lime). Crown glass is a soda-lime-silica composite.
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