A sample that cannot be separated into two or more substances by physical means is
A)a heterogeneous mixture.
B)a compound.
C)either a compound or an element.
D)an element.
E)a homogeneous mixture.

Question

Quizplus · Accepted Answer

A sample that cannot be separated into two or more substances by physical means is either a compound or an element. Compounds and elements are pure substances, meaning they cannot be broken down into simpler substances by physical methods.

A Sample That Cannot Be Separated into Two or More