Question

Why ice floats on water although we know that si?

Answer 1

Answer:

Ice float on water because in ice cage like structure is present, as a result of it volume of ice get increase and density get decrease.Although most substances are more dense when they are in a solid state, water is actually less dense when it is a solid. Therefore, ice will float above the liquid water below. This can be seen with a glass of ice water--the cubes are floating at the top. The molecules of water in ice expand. This allows life under a pond for example, to exist through the winter months because the temperature of the liquid water below the ice is above freezing or greater than 32 degrees Fahrenheit. At four degrees C or 39 degrees F, water reaches it maximum density. As it further cools, it becomes less dense due to strong, orientation dependent intermolecular interactions as seen in water molecules. Water of 4 degrees C accumulates at the bottom of a lake due to its maximum density and chunks of ice float, rather than sink to the bottom, due to its lighter density. This allows life to exist during the winter months beneath the ice. So density of ice is less than water so ice floats on water

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Answer 2

since density of ice is lower than that of water therefore it floats on water.

This happens due to the structure of ice

Ice has a cage like structure, this cage like structure have some gaps which decreases the density of ice and hence make it float

hope this helps.