Question

why an ice float on water

Answer 1

Answer:

The water, which is less dense than the rocks, will float. ... As water cools below 4°C, the hydrogen bonds adjust to hold the negatively charged oxygen atoms apart. This produces a crystal lattice, which is commonly known as 'ice'. Ice floats because it is about 9% less dense than liquid water

Answer 2

Answer:

Ice floats on due to an anamolity of water. Most liquids when freezed show na increase in their density but water until it is cooled to 4°C shows increase in denisty. But after this fro.4° to 0° rather decreases in density and expands in volume.This is called anamolous expansion of water.

Now due to this phenomenon 1kg of ice has more volume than1 Kg of water i.e. water is denser than ice. Aand since less dense bodies float in more dense liquids,therefore ice also floats on water.