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Why does ice float?

Why does ice float?

  • (a) Because it is denser than water
  • (b) Because it contracts when frozen
  • (c) Because it is less dense than water
  • (d) Because it expands when frozen
The reason ice floats is that it is less dense than liquid water. When water freezes, the molecules bond together in a rigid lattice structure, which is hexagonal in shape, held together by hydrogen bonds. This means that the same amount of water takes up 9% more space as ice than it does as liquid. According to Archimedes’ principle, the lower density of ice means that it will float, as the buoyant force of the water will be able to counteract its weight.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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