Q. Quartz crystals normally used in quartz clocks etc. is chemically

  • (A) Germanium oxide
  • (B) Sodium silicate
  • (C) Silicon dioxide
  • (D) A mixture of germanium oxide and silicon dioxide
✅ Correct Answer: (C) Silicon dioxide

Published by Ram Sharma ⭐ 193.88K Points at 11-Jan-2022 12:37 pm in Chemistry

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