Chemistry · Optical Glass
Which of the following sets of basic oxides is typically present in crown glass to achieve its specific refractive properties?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B₂O₃ and ZnO
- 2Al₂O₃ and MgO
- 3K₂O and BaO✓
- 4PbO and Na₂O
Correct answer
K₂O and BaO
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