Question

liquids generally have lower density as compared to solids.but you must have observed that ice floats on water.find out why?​

Answer 1

Answer:

These spaces are larger as compared to spaces in water molecules. Thus the volume of ice is greater than water. Hence the density of ice is less than of water.

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Answer 2

Answer:

water is an exceptional case as it expands  instead of contracting when the temperature goes from 4°C to 0°C and contract so the density become less as it gets freezes