For Each of the Following, Indicate Whether a Physical or Chemical

For each of the following, indicate whether a physical or chemical change occurs.
A)A mixture of solid iodine (I₂) and table salt (NaCl) is heated until the iodine vaporizes.
B)Iodine vapor is condensed in a cool glass beaker.
C)A mixture of solid iodine and zinc metal is ignited and forms solid zinc iodide (ZnI₂).
D)Electrical current is passed through zinc iodide to generate zinc metal and iodine vapor.