Name two chemicals used to disinfect water.

Answer

**Step-by-Step Text Solution:**

1. **Understanding the Purpose of Disinfection**: The primary goal of disinfecting water is to eliminate harmful microorganisms that can cause diseases such as cholera and typhoid.

2. **Identifying the Chemicals**: Two common chemicals used for disinfecting water are chlorine and ozone.

3. **Function of the Chemicals**:
- **Chlorine**: When added to water, chlorine acts as a powerful disinfectant that kills bacteria and viruses, making the water safe for drinking.
- **Ozone**: Ozone is another effective disinfectant. It works by destroying the cell walls of microorganisms, thereby inactivating them.

4. **Conclusion**: By using these chemicals, we can ensure that the water is free from harmful pathogens, thus preventing waterborne diseases.

**Final Answer**: The two chemicals used to disinfect water are chlorine and ozone.

---