Separation of Hydrogen from Oxygen in Water
Hydrogen and oxygen can be separated from water through a process called electrolysis. This involves passing an electric current through water, which causes the water molecules to break apart into their constituent elements - hydrogen and oxygen.

Electrolysis Process
- In the electrolysis of water, two electrodes are placed in a container of water.
- The electrodes are connected to a power source, such as a battery or a power supply.
- When the electric current is passed through the water, it causes the water molecules to split into hydrogen gas at the cathode (negative electrode) and oxygen gas at the anode (positive electrode).

Chemical Reaction
- The chemical reaction that takes place during electrolysis of water is:
2H2O(l) → 2H2(g) + O2(g)

Collection of Gases
- The hydrogen gas is collected at the cathode, while the oxygen gas is collected at the anode.
- These gases can then be collected separately and used for various applications.

Uses of Hydrogen and Oxygen
- Hydrogen is used in various industries, such as in the production of ammonia and in fuel cells.
- Oxygen is used in medical applications, such as in respiratory therapy and in the production of steel.
In conclusion, the process of electrolysis allows for the separation of hydrogen and oxygen from water, providing a method for obtaining these important gases for various industrial and scientific purposes.