A) soda glass
B) jana glass
C) pyrex glass
D) flint glass
Correct Answer: D
Solution :
Soda glass: Mixture of silicates of sodium and calcium. Jana glass: Mixture of zinc and barium borosilicates: Pyrex glass: Mixture of borosilicates of calcium and sodium. Flint glass: It has \[{{K}_{2}}O,\,\,PbO\] and \[Si{{O}_{2}}\]. Due to presence of lead, it has higher refractive index and is used in making lenses.
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