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Separation of a Mixture of Copper and Copper (II) Oxide

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Separation of a Mixture of Copper and Copper (II) Oxide

Question

A sample of copper turnings was found to be contaminated with copper (II) oxide. Describe how a sample of copper metal can be separated from the mixture

Answer

Adds excess dilute hydrochloric acid/ sulphuric (vi) acid
Filter to obtain copper metal
Wash with distilled water


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Introduction to Chemistry Simple Classification of Substances Acids, Bases and Indicators Air Oxygen and Combustion Chemical Properties of Oxygen Water and Hydrogen - Water Water and Hydrogen - Hydrogen Water and Hydrogen - Reactions of water with Metals