Answer :
Final answer:
The gas produced by a battery during charging, especially in lead-acid batteries, is hydrogen. This occurs through the process of electrolysis when the water in the electrolyte breaks down. It's important to manage the production of hydrogen due to its flammability.
Explanation:
Gas Production in Charging Batteries
During the charging process of certain types of batteries, particularly lead-acid batteries, hydrogen gas is produced as a byproduct. This occurs when the battery is charged and electrolysis of water (from the electrolyte) takes place. The water breaks down into hydrogen ions and oxygen, which can lead to the generation of hydrogen gas at the negative electrode (cathode).
Key Points
- Lead-acid batteries commonly produce hydrogen gas during charging.
- Hydrogen can be flammable and poses safety risks in high concentrations.
- Other gases, such as oxygen, may also be produced, but hydrogen is the main focus in this context.
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