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Electrolysis is the process by which water can be split into Hydrogen Gas and Oxygen. This is done by running a current of electricity through the water which is diluted with sulphuric acid (or lemon water or salt) because it is a good conductor of electricity. Hydrogen is a Cation and Oxygen is an Anion then near the positive ends of the current you will find Hydrogen bubbles and the negative side you will find Oxygen bubbles.

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Q: What is needed to decompose water into hydrogen gas and oxygen gas?
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Sucrose does not decompose into hydrogen and oxygen. When sucrose undergoes combustion, it can produce carbon dioxide and water vapor, but not hydrogen and oxygen.


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Hydrogen peroxide is broken down by catalase into water and oxygen gas. This reaction helps to decompose hydrogen peroxide, a harmful byproduct of metabolic processes, into less harmful substances.


Why is oxygen in the water molecules?

Water is made of two hydrogen atoms and an oxygen atom. The combination of hydrogen and oxygen is needed in order to create a molecule with the properties characteristic of water. Water cannot exist without oxygen.


Which cell can produce hydrogen gas fuel by using electricity to decompose water?

The cell that can produce hydrogen gas fuel by using electricity to decompose water is an electrolyzer. Electrolyzers use an electric current to split water (H2O) into hydrogen (H2) and oxygen (O2) gases through a process called electrolysis.


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What is hydrogen peroxide change into when catalase reacts with it?

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