When some of Si^(+4)in frame work silicates are replaced by Al^(+3)and an additional metal ion, it results in the formation of

When some of Si^(+4)in frame work silicates are replaced by Al^(+3)and

1.	When some of Si^(+4)in frame work silicates are replaced by Al^(+3)and an additional metal ion, it results in the formation of
Answer» ZEOLITES Silicones Disilicates Glass Answer :A