The following are properties of substances. Decide whether each is a physical property or a chemical property: a) Chlorine gas liquefies at -35 0 C...

The following are properties of substances. Decide whether each is a physical property or a

chemical property:

a) Chlorine gas liquefies at -350C under normal pressure.

b) Hydrogen burns in chlorine gas.

c) Bromine melts at -7.20C.

d) Lithium is soft, silvery-colored metal.

e) Iron rust in an atmosphere of moist air.