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Questions and Answers
Why does a piece of cork float while an iron nail sinks on the surface of water?
Why does a piece of cork float while an iron nail sinks on the surface of water?
- The density of cork and iron are both more than the density of water.
- The density of cork is more than the density of water, while the density of iron is less than the density of water.
- The density of cork and iron are both less than the density of water.
- The density of cork is less than the density of water, while the density of iron is more than the density of water. (correct)
What is the density of mercury?
What is the density of mercury?
- 800 g/cm³
- 870 g/cm³
- 1260 g/cm³ (correct)
- 1000 g/cm³
In which liquid will a solid iron ball with a density of 7.86 g/cm³ float?
In which liquid will a solid iron ball with a density of 7.86 g/cm³ float?
- Glycerine (density 1.26 g/cm³)
- Water (density 1.0 g/cm³)
- Mercury (density 13.6 g/cm³) (correct)
- Milk (density 1.03 g/cm³)
What is the exception to the general rule that the density of a substance in solid state is more than that in liquid state?
What is the exception to the general rule that the density of a substance in solid state is more than that in liquid state?
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