everyday science MCQ #623

The density of water is greatest at:

everyday science MCQ #623

  1. Question 1

    Q1. The density of water is greatest at:

    • A) 32°C
    • B) 0°C
    • C) 4°C
    • D) 100°C

    Answer: 4°C

    Explanation: Water is densest at 4°C (39.2°F) due to hydrogen bonding; below this temperature, water expands as it forms ice crystals, which is why ice is less dense than liquid water.