📊 Physics
Q. A steel ball floats on mercury because
  • (A) mercury does not allow any metal ball to sink in it.
  • (B) mercury is also a metal in liquid form.
  • (C) the density of mercury is higher than that of steel.
  • (D) a steel ball can be made float on any liquid by suitable adjustment.
✅ Correct Answer: (C) the density of mercury is higher than that of steel.

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