Multiple choice general knowledge science & technology

Which is the liquid which expands while freezing?

  1. Liquid Mercury

  2. Water

  3. Liquid nitrogen

  4. Mineral oil
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Water is unique because its solid state (ice) is less dense than its liquid state. As water cools below 4 degrees Celsius, it begins to expand, reaching maximum expansion at the freezing point. Most other liquids, like mercury or oil, contract when freezing.

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