Q. Which one of the following is not radioactive

  • (A) Tritium
  • (B) Francium
  • (C) Astanine
  • (D) Zirconium
✅ Correct Answer: (D) Zirconium

Published by Monu Rathod ⭐ 7.03K Points at 28-Nov-2021 10:17 am in Chemistry

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