First slide

Group 14 or carbon family

Question

Which of the following statements are true about Quartz
a) It is pure crystalline form of silica b) It is Tetrahedral polymer
c)UV light Can pass through Quartz

Difficult

A

a , b correct
B

b, c correct
C

a , c correct
D

All are correct

Solution

Crystaline Allotropes of Silica $({SiO}_{2})$ are Quartz, Tridymite and Crystobalite
Quartz is pure form of Silica and it is also known as rock crystal
${SiO}_{2}$ has tetrahedral polymeric structure
UV light can pass through it

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