Identifying Physical And Chemical Properties

The chopping up of a log of wood with an axe into smaller pieces of wood is a physical property because it does not change the chemical composition of the wood. The wood is still made up of the same elements and compounds, just in smaller pieces.

When you wash your jeans with chlorine bleach, the color fading is a result of a chemical reaction between the bleach and the dye in the fabric. This means that the property of the jeans changing color is a chemical property.

The given statement describes the smell of the perfume, which is a physical property. Smell is a sensory perception that can be experienced without any chemical reactions taking place. Therefore, the smell of the perfume is a physical property.

When a marshmallow turns black when toasted too long in a campfire, it is undergoing a chemical change. The heat from the fire causes the sugars in the marshmallow to undergo a process called caramelization, which results in the darkening of the marshmallow's color. This change is not reversible and involves the rearrangement of the molecules in the marshmallow, making it a chemical property.

Hydrogen peroxide dental strips will make your teeth whiter, indicating a chemical property. This is because hydrogen peroxide undergoes a chemical reaction with the stains on the teeth, breaking them down and resulting in whiter teeth.