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Q: What causes water pipes burst at freezing temperature?
  • A. Expansion
  • B. Construction
  • C. Humidification
  • D. Preservation
Correct Answer: Option A - The expansion of water takes place as it is cooled from 4⁰ C to 0⁰ C. This behavior is unusual because most substances contract when they are cooled, but water expands on solidifying. Due to this expansion a glass bottle completely filled with water and tightly closed at room temperature is likely to burst at freezing temperature.
A. The expansion of water takes place as it is cooled from 4⁰ C to 0⁰ C. This behavior is unusual because most substances contract when they are cooled, but water expands on solidifying. Due to this expansion a glass bottle completely filled with water and tightly closed at room temperature is likely to burst at freezing temperature.

Explanations:

The expansion of water takes place as it is cooled from 4⁰ C to 0⁰ C. This behavior is unusual because most substances contract when they are cooled, but water expands on solidifying. Due to this expansion a glass bottle completely filled with water and tightly closed at room temperature is likely to burst at freezing temperature.