This is the type of mixture which involves two or more solids. When the solids are metals, they are known as alloys. Examples of solid-solid mixture: Brass (Copper mixed with Zinc)
A heterogeneous mixture is a mixture in which the composition is not uniform throughout the mixture. ... A heterogeneous mixture consists of two or more phases. When oil and water are combined, they do not mix evenly, but instead form two separate layers. Each of the layers is called a phase.
