List three uses of electrolysis.

Explanation

### Step-by-Step Text Solution:

1. **Understanding Electrolysis**:
- Electrolysis is a chemical process that uses electric current to drive a non-spontaneous reaction. It involves the dissociation of an electrolyte into its constituent ions (cations and anions).

2. **Use 1: Production of Chlorine and Caustic Soda**:
- One of the primary uses of electrolysis is in the production of chlorine gas and caustic soda (sodium hydroxide) from common salt (sodium chloride). This process is essential in the chemical industry for producing various chemicals.

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