Question

complete this assessment to review what youve learned. it will not count towa which process is an example of a chemical reaction? (1 point)
freezing
boiling
rusting
melting

Explanation:

To determine the chemical reaction, we analyze each option:

• Freezing: A phase change (liquid to solid) with no new substance, physical change.
• Boiling: Phase change (liquid to gas), physical change, no new substance.
• Rusting: Iron reacts with oxygen and water to form rust (new substance, iron oxide), chemical reaction.
• Melting: Phase change (solid to liquid), physical change, no new substance.

Answer:

C. rusting