Question

in cold countries in winter water curing pipe sometimes break because of which reason

Answer 1

Answer --
1.Water expands when it freezes at sub-zero Temperature
2.There is no place in the pipe to accommodate the expanded water on freezing
3. This exerts tremendous pressure on the walls of the pipe and hence they burst.


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Answer 2

d) volume of water increases if the temperature is reduced below 0°c.

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