Quartz crystals normally used in quartz clocks etc. is chemically
A. silicon dioxide
B. germanium oxide
C. a mixture of germanium oxide and silicon dioxide
D. sodium silicate
Answers
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A .Silicon Dioxide
Quartz clock is an electronic oscillator which use silicon dioxide
Quartz clock is an electronic oscillator which use silicon dioxide
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Silicon Dioxide.Is the correct answer.(Sio2) beacuse,
for piezoelectric use
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