Physics · States of Matter and Thermal Properties
Why does ice float on water? Select the most accurate statement explaining this phenomenon.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The open cage-like molecular arrangement in ice, held by hydrogen bonds, makes it less dense than liquid water.✓
- 2Ice undergoes complete breakage of hydrogen bonding compared to liquid water, reducing its mass.
- 3Ice chemically combines with air which helps it float solely due to external air pockets.
- 4Being a solid, the density of ice is always greater than water, but it floats due to surface tension.
Correct answer
The open cage-like molecular arrangement in ice, held by hydrogen bonds, makes it less dense than liquid water.
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