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Question

In cold countries, water pipes sometimes burst, because

A
Pipe contracts
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B
Water expands on freezing
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C
Water contracts on freezing
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D
When water freezes, it takes heat from pipes
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Solution

The correct option is B Water expands on freezing
In anomalous expansion, water contracts on heating and expands on cooling in the range 0C to 4C. When water at 4C cools further, it expands, thus putting pressure on pipes which makes them burst.

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