55. The silicate minerals are classified on the basis of the manner of linking of(1) SiO4 2- tetrahedral units127 SiO4 4- tetrahedral units(3) SiO7 2-units(4) (SiO3)n 4n - triangular units

55. The silicate minerals are classified on the basis of the manner

1.	55. The silicate minerals are classified on the basis of the manner of linking of(1) SiO4 2- tetrahedral units127 SiO4 4- tetrahedral units(3) SiO7 2-units(4) (SiO3)n 4n - triangular units
Answer» option 4 (SIO3)n 4N TRIANGULAR units