Question

which property describes a mixture? it cannot be separated by physical methods. it has a single chemical composition. it cannot have more than one state of matter. it cannot be described by a chemical symbol or formula.

Explanation:

A mixture is composed of two or more substances that are not chemically combined. Since it's not a pure - substance with a fixed chemical composition, it cannot be described by a single chemical symbol or formula. Mixtures can be separated by physical methods, have variable chemical compositions, and can contain multiple states of matter.

Answer:

It cannot be described by a chemical symbol or formula.