📊 Chemistry
Q. Which of the following is not an alkali metal?
  • (A) Sodium
  • (B) Potassium
  • (C) Calcium
  • (D) Lithium
✅ Correct Answer: (C) Calcium

Explanation: Calcium is an alkaline earth metal, not an alkali metal.

Explanation by: Sikhar Chaudhary
Calcium is an alkaline earth metal, not an alkali metal.

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