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Q. When a steel ball is placed on the surface of mercury, it does not sink because

  • (A) Of the surface tension of mercury
  • (B) Mercury is a semisolid
  • (C) Of the high viscosity of mercury
  • (D) The density of mercury is greater than that of steel
  • Correct Answer - Option(D)
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Explanation by: Admin
When a steel ball is placed on the surface of mercury, it does not sink because the density of mercury is greater than that of steel.

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