Which of the following statements is/are correct? I. Pure water freezes at 0ºC under normal pressure ll. Water has its highest density at 4ºC. III. The volume is highest at 4ºC,
A
I only
B
II only
C
I and II only
D
I and III only
E
II and III only
Verified Correct Answer: C.
Physical Principles & Numerical Solution
Under standard atmospheric pressure, pure water freezes at 0ºC. Water is most dense at around 4ºC. As it cools below this temperature, it begins to expand.
Source: Myschool Past Questions Archive (Record #24255)