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Zeolites -
Hydrated alumino silicate having negative charge which is balanced by cations such as Na+, K+ or Ca2+
- wherein
Eg. ZSM-5
Silicates -
Compounds with basic unit SiO44-, each Si atom is linked to four oxygen atom tetrahedrally, joined by corners
- wherein
(i) chemical formula zeolite: .It is also known as hydrated aluminium silicate.
(ii) Mica : It is a potassium aluminium silicate
.
(iii) asbestos: It is a hydrous magnetium silicate with the chemical composition:
.
(iv) Feldsbar is a potassium silicate
and there are various sub-types of feldsbar are available in earth crust.
Option 1)
Option 2)
Option 3)
Option 4)