What is the difference between a homogeneous and a heterogeneous solution?

Aspect Homogeneous Solution Heterogeneous Solution
Definition A solution where the composition is uniform throughout. A solution where the composition is not uniform and can be distinguished into different phases.
Components Consists of a single phase (solid, liquid, or gas). Composed of multiple phases.
Appearance Appears uniform in composition and cannot be distinguished by the naked eye. Displays distinct parts or phases that can be easily seen.
Particle Size The particles are uniformly distributed at a molecular level. Particles are not uniformly distributed; larger particles may be visible.
Examples Salt water, air, vinegar, alloys like brass. Sand in water, oil and water mixture, salad dressing.

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