IB Biology HL Practice Questions - International Baccalaureate Biology Higher Level Exam

Which property of water explains why ice floats on liquid water?

Hydrogen bonds form a less dense crystalline lattice in ice Ice molecules vibrate faster than liquid molecules Water becomes ionised at 0 degrees Celsius Covalent bonds in water break on freezing

Correct Answer:

Hydrogen bonds form a less dense crystalline lattice in ice

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