Choose all items that refer to physical properties or physical changes

a. rustling

b. boiling point

c. density

d. flammability

e. smooth surface

Boiling point

Density

Smooth surface

Explanation:

Physical change: It is that process in which no chemical reaction takes place.

It is a change in physical state or properties of matter without accompanying change in its chemical composition.

Chemical change: It is that reaction in which chemical reaction takes place.

Chemical composition of matters change.

Physical property: Density, boiling point without changing the physical state can be observed.It is often referred as observable.It is characteristics of system or matters.It includes color, odor, solubility, density etc.

A.Rusting: Chemical property by definition of chemical property.

B.Boiling point ::Physical property by definition of physical property.

C. Density: It is a physical property by definition of physical property.

D.Flammability:Chemical property by definition of chemical property.

E.Smooth surface:It is a physical property by definition of physical property.

unlike poles attract

c. magnitude and direction