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Liquids generally have lower density as ...

Liquids generally have lower density as compared to solids but you must have observed that ice floatis on water. Find out/why.

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Ice (solid state) is expected to be heavier than water (liquid state). But it is lighter and floats over water. Actually, ice has a cage like structure which means that vacant spaces are left when `H_(2)O` molecules are linked in ice. The number of these spaces are comparatively less in water. In other words, we can also say that the structure of ice is more porous than that of water. Therefore, water is dense as compared to ice or ice floats over water.
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