The term that best describes the substance is uniform in its composition is pure substance.
What are pure substance?
A pure substance is a substance that is made up of only one kind of particle and have a fixed or constant composition.
Pure substances can be further classified as either;
- Elements; any one of the simplest chemical substances that cannot be decomposed in a chemical reaction or by any chemical means and made up of atoms.
- Compounds; a pure substance formed by chemical union of two or more ingredients in definite proportions by weight.
Therefore, the term that best describes the substance is uniform in its composition is pure substance.
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