Multiple choice general knowledge

A corked bottle full of water when frozen will break because

  1. the bottle contracts on freezing

  2. the volume of water decreases on freezing

  3. the volume of water increases on freezing

  4. glass is a bad conductor of heat
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Water expands by about 9% when it freezes (unlike most substances). In a corked bottle, this expansion creates immense pressure that breaks the glass. This is why pipes burst in winter.

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