Pure substance X is melted, and the liquid is placed in an electrolysis apparatus such
Chapter 3, Problem 38(choose chapter or problem)
Pure substance X is melted, and the liquid is placed in an electrolysis apparatus such as that shown in Figure 3.3. When an electric current is passed through the liquid, a brown solid forms in one chamber and a white solid forms in the other chamber. Is substance X a compound or an element?
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