Question

Which activity is an example of a chemical change?

A) Dissolving table sugar in water.

B) Drops of water forming on a cup of iced tea on a hot day.

C) Melting gold to make jewelry.

D) An old penny rusting.

Answer 1

Answer:

D.an old penny rusting

Explanation:

A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.