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38389RKP

Electrolysis is the use of an electrical current to decompose a chemical, in this case water. Reactions at the two electrodes are powered by an electric current. Oxygen and hydrogen gas bubbles are evolved at the anode and cathode respectively. As water molecules consist of two hydrogen atoms and one oxygen atom, twice as much hydrogen as oxygen is trapped in the test tubes

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Electrolysis is the use of an electrical current to decompose a chemical, in this case water. Reactions at the two electrodes are powered by an electric current. Oxygen and hydrogen gas bubbles are evolved at the anode and cathode respectively. As water molecules consist of two hydrogen atoms and one oxygen atom, twice as much hydrogen as oxygen is trapped in the test tubes