Q. What happens when water is cooled from 8°C to 0°C?
1.Its volume decreases uniformly, becoming minimum at 0°C.
2.Its density increases uniformly, attaining maximum value at 0°C.
3.Its volume decreases up to 4°C and then increases
4.Its density increases up to 4° C and then decreases.
 Which of the above answers is/are correct?