Which is not a chemical pollutant?

Options

A. Noise
B. Pesticides
C. Liquids
D. Solid wastes

Answer

To determine which option is not a chemical pollutant, we need to analyze each option provided in the question: noise, pesticides, liquids, and solid wastes.

### Step-by-Step Solution:

1. **Understanding Chemical Pollutants**:
- Chemical pollutants are substances that enter the environment through various human activities, such as agriculture and industry. They are typically chemical substances that can contaminate air, water, and soil.

2. **Analyzing the Options**:
- **Option 1: Noise**:
- Noise is defined as an unpleasant sound. It does not consist of chemical substances and does not contaminate the environment chemically. Thus, noise is not a chemical pollutant.

- **Option 2: Pesticides**:
- Pesticides are chemical substances used to control pests. They contain chemicals that can contaminate air, water, and soil. Therefore, pesticides are considered chemical pollutants.

- **Option 3: Liquids**:
- Liquid pollutants often originate from sources like human waste or industrial discharges. These liquids can contain harmful chemicals, making them a type of chemical pollutant.

- **Option 4: Solid Wastes**:
- Solid wastes, such as garbage from households or industrial processes, can also contain various chemicals. When these wastes decompose, they can release harmful substances into the environment, categorizing them as chemical pollutants.

3. **Conclusion**:
- After analyzing all the options, we conclude that **noise** is the only option that is not a chemical pollutant.

### Final Answer:
**Noise is not a chemical pollutant.**

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