Question

write a p for physical and a c for chemical next to each property below.

1. the density of a toy truck.
2. the sweet smell of a rose.
3. the flammability of gasoline.
4. the solid state of a desk.
5. the reactivity of iron with the oxygen in the air creating rust.

Explanation:

1. Density is a physical property as it can be measured without changing the substance's chemical composition.
2. Smell is a physical property as it is related to the detection of volatile molecules without a chemical change.
3. Flammability is a chemical property as it involves a substance reacting chemically with oxygen to burn.
4. State (solid - in this case) is a physical property as it describes the form of the matter without altering its chemical identity.
5. Reactivity with oxygen to form rust is a chemical property as a new substance (rust) is formed through a chemical reaction.

Answer:

1. P
2. P
3. C
4. P
5. C