Which statement best describes the difference between a heterogeneous mixture and a homogeneous mixture?

• A. A homogeneous mixture contains only one type of element, while a heterogeneous mixture contains multiple elements.
• B. A heterogeneous mixture can only exist as a solid, while a homogeneous mixture can only exist as a liquid.
• C. A homogeneous mixture can be separated by filtration, while a heterogeneous mixture cannot.
• D. A heterogeneous mixture has visibly different components or phases, while a homogeneous mixture has a uniform composition throughout.

Answer: (D)

Verified step by step guidance

1. Understand the definitions of mixtures: A mixture is a combination of two or more substances where each substance retains its own chemical identity.
2. Recognize that a homogeneous mixture has a uniform composition throughout, meaning you cannot see different parts or phases with the naked eye.
3. Know that a heterogeneous mixture has visibly different components or phases, so you can distinguish the different parts physically.
4. Eliminate incorrect statements by checking if they align with the definitions: for example, mixtures are not limited to solids or liquids, and filtration depends on particle size, not mixture type.
5. Conclude that the best description is that a heterogeneous mixture has visibly different components or phases, while a homogeneous mixture is uniform throughout.