📊 Reasoning
Q. Choose the word which is different from the rest.
  • (A) Radium
  • (B) Thorium
  • (C) Sodium
  • (D) Sodium D. Polonium
✅ Correct Answer: (C) Sodium

Explanation: All except Sodium are radio-isotopes, while sodium is a metal.

Explanation by: Ritu Nagar
All except Sodium are radio-isotopes, while sodium is a metal.

💬 Discussion

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