Major component of flint glass is_____________________?
Correct answer: A. Lead oxide
- A. Lead oxide
- B. Silica
- C. Alumina
- D. Soda
Explanation
Flint glass is distinguished from ordinary soda-lime glass by its high lead oxide content, which gives high refractive index and brilliance. Silica is present as the glass-forming oxide, but lead oxide is the characteristic major additive.
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