All of the Following Are Properties of Sodium $\circ$ C and Changes to a Liquid When Heated to 98

Multiple Choice

All of the following are properties of sodium. Which one is a physical property of sodium?

A) It is surface turns black when first exposed to air.
B) It is a solid at 25 ^$\circ$ C and changes to a liquid when heated to 98 ^$\circ$ C.
C) When placed in water it sizzles and a gas is formed.
D) When placed in contact with chlorine it forms a compound that melts at 801 ^$\circ$ C.
E) Sodium is never found as the pure metal in nature.