Heterogeneous mixture

Definition

A heterogeneous mixture is a combination of two or more substances where the components remain distinct and can be easily identified. The composition is not uniform throughout.

5 Must Know Facts For Your Next Test

1. The individual substances in a heterogeneous mixture retain their own properties.
2. Examples include salad, sand and iron filings, and oil and water mixtures.
3. Heterogeneous mixtures can be separated by physical means such as filtration or decanting.
4. The phases of the substances in a heterogeneous mixture are often visibly distinguishable.
5. Heterogeneous mixtures do not have a fixed composition; the ratio of components can vary.

Review Questions

• What distinguishes a heterogeneous mixture from a homogeneous mixture?
• Provide two methods for separating components in a heterogeneous mixture.
• Give three examples of common heterogeneous mixtures found in everyday life.

Related terms

Homogeneous Mixture:

A mixture where the composition is consistent throughout, and the individual components are not distinguishable.

Phase: A distinct form of matter such as solid, liquid, or gas. In mixtures, different phases can coexist.

Filtration: A method used to separate solids from liquids in a heterogeneous mixture by passing the mixture through a filter.