Question
Question: In cold countries, water pipes sometimes burst, because...
In cold countries, water pipes sometimes burst, because
A
Pipe contracts
B
Water expands on freezing
C
When water freezes, pressure increases
D
When water freezes, it takes heat from pipes
Answer
Water expands on freezing
Explanation
Solution
In anomalous expansion, water contracts on heating and expands on cooling in the range 00C to 40C. Therefore water pipes sometimes burst, in cold countries.