The statement that describes the property of a pure substance is that it is made up of a single element or type of compound (option C).
A pure substance in chemistry are substances that are made up of only one kind of particle and have a fixed or constant structure.
Pure substances can be grouped as either elements or compounds.
Unlike mixtures, pure substances can not be separated easily be physical or chemical means.
Therefore, the statement that describes the property of a pure substance is that it is made up of a single element or type of compound.
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