A mixture is a combination of two or more substances where each substance retains its chemical properties. Mixtures can be classified as either homogeneous or heterogeneous.
Step 2: Define a Heterogeneous Mixture
A heterogeneous mixture is a type of mixture where the components are not uniformly distributed, and the different parts can be visibly distinguished. Examples include salad, sand and water, or oil and vinegar.
Final Answer
A heterogeneous mixture is one in which the components are not uniformly distributed and can be visibly distinguished.