Answers

2015-04-29T13:55:39+05:30
The major component used in preparation of different types of glasses is
1 Sodium borate
2 Silica
3 Sodium silicate
4 Calcium silicate
0
2015-04-29T15:25:50+05:30
The major component used in preparation of different types of glasses is
1 Sodium borate
2 Silica
3 Sodium silicate
4 Calcium silicate

plzzz mark as best :)

0