what is electrolysis of water? which gases are produced in this process? why do we add small amount of acid to water before electrolysis? what type of reaction is this? combination of decomposition? justify.
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Electrolysis of water is the decomposition of water into oxygen and hydrogen gas due to the passage of an electric current.
This technique can be used to make hydrogen gas, a main component of hydrogen fuel, and breathable oxygen gas, or can mix the two into oxyhydrogen - also usable as fuel, though more volatile and dangerous.
It is also called water splitting. It ideally requires a potential difference of 1.23 volts to split water.
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