Why an iron nail floats on mercury but it sinks in water?

Density of iron is more than that of mercury, but less than that of water.

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Density of iron is less than that of mercury, but more than that of water.

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Density of iron is less than that of mercury and water

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Density of iron is more than that of mercury, water.

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Solution

The correct option is B Density of iron is less than that of mercury, but more than that of water.
This is because density of mercury is more than that of water.
An object floats on a liquid, if its density is lower than that of the liquid.
The density of iron nail is more than that of the water but less than that of mercury.

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Similar questions

Density of mercury is more than that of water.

An iron nail sinks in water but it floats in mercury. Why?

Iron sinks in water and floats in mercury.

Density of Iron - $7.6 g / c m^{3}$

Density of Water - $1 g / c m^{3}$

Density of Mercury - $13.7 g / c m^{3}$

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