A) make it brittle
B) make it opaque
C) Make it transparent
D) none of these
Correct Answer: D
Solution :
[d] If glass is cooled suddenly it develops strain and are likely to fall in pieces. To avoid it, the fusion mixture is cooled slowly. The process of slow cooling is known as annealing.You need to login to perform this action.
You will be redirected in
3 sec