When electricity is passed through tap water, the gases [[1]]and oxygen are evolved.

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Detailed Solution

When electricity is passed through tap water, the gases hydrogen and oxygen are evolved.
Hydrogen and oxygen gases are produced at the electrodes when electricity is passed through tap water. Water dissociates into hydrogen and oxygen gas during this process, also known as electrolysis. Electrolysis is the process of passing an electric current through an ion-containing liquid to cause a decomposition reaction. For example, when an electric current is passed through acidified water, the water decomposes into hydrogen and oxygen gas.

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