📊 Chemistry
Q. Which of the following metals reacts with cold water?
  • (A) Iron
  • (B) Calcium
  • (C) Copper
  • (D) Zinc
✅ Correct Answer: (B) Calcium

Explanation: Calcium reacts with cold water to produce calcium hydroxide and hydrogen gas.

Explanation by: Sikhar Chaudhary
Calcium reacts with cold water to produce calcium hydroxide and hydrogen gas.

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