Quartz and Rochelle salt belongs to ___________ of piezo-electric materials Options: A . &nbspNatural group B . &nbspSynthetic group C . &nbspNatural or Synthetic group D . &nbspFiber group

Quartz and Rochelle salt belongs to __________

Question - Quartz and Rochelle salt belongs to ___________ of piezo-electric materials

Options:

A . Natural group

B . Synthetic group

C . Natural or Synthetic group

D . Fiber group

Answer: Option A

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