In this episode, we discuss soluble salts, which are compounds capable of dissolving in water.

The provided text outlines a method for their creation, specifically through the chemical reaction between acids and insoluble solid substances like metal oxides.

An example illustrates this process, showing how copper oxide reacts with sulfuric acid to yield the soluble salt copper sulfate and water.

This reaction demonstrates a practical approach to synthesising soluble salts in a laboratory setting.

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