What are substances composed of several elements or compounds that are physically mixed but not chemically united called?

Answer 1

The only term that covers every instance in the question is MIXTURES. There are also some special cases. If only metals are included and the mixture is homogeneous on the level of volumes than include only a few atoms, the mixture may be called an alloy. If the mixture is homogeneous on the level of volumes than include only a few molecules or atoms, the mixture is a solution. If the mixture is a liquid or gas and appears to have stable composition but contains particles large enough to scatter light, the mixture is a suspension or colloid.

Answer 2

Substances composed of several elements or compounds that are physically mixed but not chemically united are called mixtures. Mixtures can be separated by physical means such as filtration or distillation because the components retain their individual properties.

Answer 3

a Mixture