How to Make Oxygen and Hydrogen from Water Using Electrolysis


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The process of splitting water (H2O) into its atomic components (hydrogen and oxygen) using electricity is known as electrolysis. This experiment has significant implications in terms of what these 2 gases can be used for in their own right, with hydrogen being one of the cleanest sources of energy we have access to. Although it may sound complicated, it’s actually easier than you think if you have the right equipment, the right knowledge, and a little bit of know-how.


  1. Image titled Make Oxygen and Hydrogen from Water Using Electrolysis Step 1.jpeg

    1 Fill a 350 ml (12 fl oz) glass with warm water. You don’t need to fill it all the way to the top, so leave a little bit of room. If the water is warm, it will conduct the electricity more effectively but it will also still work just fine with cold water.[1]

    • You can use either water from out of the tap or bottled water, it doesn’t matter which.
    • Warmer water has a lower viscosity and allows ions that conduct electricity to move more freely.

  2. Image titled Make Oxygen and Hydrogen from Water Using Electrolysis Step 2.jpeg

    2 Dissolve 1 tbsp (17 g) of table salt…

Sasha Harriet

Sasha Harriet

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Sasha Harriet

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