Question

When water freezes
1. there is no heat exchange with the surroundings.
2. the temperature of the water decreases.
3. heat is given off to the surroundings.
4. heat is absorbed from the surroundings.
5. the temperature of the water increases.

Answer 1

While water freezes, it gives away heat to the surroundings but its temperature remains the same; in addition, its volume increases.

Answer: 3. heat is given off to the surroundings.