Why do glass bottles with water break when kept in freezer?

Answer 1

Because water expands as it freezes under normal conditions.

That the solid phase of water is LESS dense than its liquid phase is a highly unusual physical property, and is largely attributable to hydrogen bonding.

And so if you freeze an aqueous solution in a fragile container you have problems.

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Answer 2

Wyatt Atkins

Water expands when it freezes, forming ice, which can put pressure on the walls of a closed container such as a glass bottle and shatter the glass.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.