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Physical means can be used to separate


compounds


elements


mixtures


pure substances

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Answered by GPT-5 mini AI
Mixtures.

Reason: Physical methods (filtration, decantation, distillation, chromatography, magnetism, etc.) separate substances without changing their chemical identities, so they can separate components of mixtures. Compounds require chemical reactions to break chemical bonds, and elements (and other pure substances) cannot be broken into simpler substances by physical means.