# The density of water is greater than the density of kerosene. If the two are mixed

Q. The density of water is greater than the density of kerosene. If the two are mixed:
1. Water floats on kerosene
2. Kerosene floats on water
3. Kerosene dissolves in water
4. They mix uniformly
The density of water is greater than the density of kerosene. If the two are mixed kerosene floats on water

### Relative Density

If a substance's relative density is less than one then it is less dense than the reference; if greater than 1 then it is denser than the reference. If the relative density is exactly 1 then the densities are equal; that is, equal volumes of the two substances have the same mass. If the reference material is water, then a substance with a relative density (or specific gravity) less than 1 will float in water. For example, an ice cube, with a relative density of about 0.91, will float. A substance with a relative density greater than 1 will sink.
When something is less dense than the object that it is sitting on/in it will float. Kerosene is immiscible with water and is of lower density, so floats on the surface of the water.

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