Multiple choice general knowledge science & technology

Pure water freezes at what temperature?

  1. 47 F

  2. 32 F

  3. 0 F

  4. 19 F

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pure water freezes at 32°F (0°C) at standard atmospheric pressure. This is the standard freezing point of water. The other temperatures (47°F, 0°F, 19°F) are incorrect - 0°F is very cold (~-18°C), and 47°F and 19°F are above freezing.