Question

Which of the following is an example of a physical change?

A. A solid dissolves.
B. A bond breaks.
C. A metal rusts.
D. A log of wood burns.

Answer 1

A. A solid dissolves.

Step-by-step explanation:

The physical change from the given choices is that a solid dissolves.

The dissolution of a solute in a solvent is a physical change and not a chemical change.

A physical change has the following properties:

• they are easily reversible
• leads to the production of no new kinds of matter
• involves no change in mass
• requires little energy