Question

chemical & physical changes online wk sheet
which of the following is a characteristic of a mixture?
has varying properties
has a fixed composition
contains only pure substances
both a and b

Explanation:

A mixture is composed of two or more substances that are not chemically combined. Its properties can vary depending on the proportion of its components. It does not have a fixed composition like a compound, and it can contain both pure substances and other mixtures.

Answer:

has varying properties