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.

Question

Quizplus · Accepted Answer

The Answer of 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.

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