Name two chemicals used to disinfect water.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for two chemicals that are used to disinfect water. Disinfection is a process that eliminates or reduces harmful microorganisms in water.

2. **Identifying the Context**: In the context of wastewater treatment, it is essential to disinfect water before it is released into natural bodies of water. This is because untreated sewage contains various impurities and pathogens that can cause diseases.

3. **Types of Treatment**: There are different methods to treat sewage water, including physical, biological, and chemical treatments. Chemical treatment involves using specific chemicals to disinfect the water.

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