Silicates
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The structural unit pesent in pyro sillicates is
An inorganic compound (A) is made of two most occuring elements in the Earth's crust and has a polymeric tetrahedral network structure. With carbon, compound (A) produces a poisonous gas (B) which is the most stable diatomic molecule. Compounds (A) and (B) will be
SiO2, CO2
SiO2, CO
SiC, CO
SiO2, N2
Name of the structure of silicates in which three oxygen atoms of [SiO4]4− are shared -
Pyrosilicate
Linear chain silicate
Sheet silicate
Three dimensional silcate
- Three dimensional silicate
- Sheet silicate
- Linear chain silicate
- Pyrosilicate
Name the structure of silicates in which three oxygen atoms of [SiO4]− are shared:
Three dimensional silicate
Linear chain silicate
Pyrosilicate
Sheet silicate
Fedlspars and zeolites are examples of:
Sheet silicates
3-dimensional silicates
Pyrosilicates
Cyclic silicates

The silicate anion given above in a mineral has K+, Ca2+ and Al3+ cations in 2:1:2. Number of moles of Al3+ ions per 4 moles of mineral is
- True
- False
- Ortho silicates
- Pyro silicates
- Cyclic silicates
- 2D-sheet silicates