Quartz crystals normally used in quartz clocks etc. is chemically ? – McqOptions

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1.	Quartz crystals normally used in quartz clocks etc. is chemically ?
A.	Sodium Silicate
B.	Germenium dioxide
C.	Silicon dioxide
D.	A mixture of (B) u0026 (C)
Answer» D. A mixture of (B) u0026 (C)

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