Replacement of CaO by PbO in soda-lime glass results in ________. A. denser glass with a higher refractive index B. a softer glass with a lower melting point C. glass with a deep blue color D. a harder

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asked Apr 6, 2021 37.3k views

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Replacement of CaO by PbO in soda-lime glass results in ________.

A. denser glass with a higher refractive index
B. a softer glass with a lower melting point
C. glass with a deep blue color
D. a harder glass with a higher melting point
E. opaque glass