Question: Basic oxide is absent in __________ glass.
[A].flint
pyrex
quartz
all (a), (b) & (c)
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.