Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.
Q: Electrolysis of water is the decomposition of water into oxygen and hydrogen gas due to an electric current being passed through the water . The reaction has a standard potential of 1.23 V , meaning it ideally requires a potential difference of 1.23 volts to split water .
A:
Electrolysis of water