PVC is an example of

Options

A. theremosetting
B. thermoplastic
C. elastic
D. fibre.

Answer

To solve the question regarding PVC and its classification, we can follow these steps:

### Step-by-Step Solution:

1. **Identify PVC**: PVC stands for Polyvinyl Chloride, which is a type of plastic polymer.

2. **Understand Polymer Types**: There are different types of polymers, including thermoplastics, thermosetting plastics, elastomers, and fibers.

3. **Define Thermoplastics**: Thermoplastics are materials that become soft when heated and harden when cooled. This process is reversible, meaning that they can be reshaped multiple times without altering their chemical structure.

4. **Analyze the Options**:
- **Thermosetting**: These polymers harden permanently after being set and cannot be remolded.
- **Thermoplastic**: As defined, these can be melted and reshaped.
- **Elastic**: Refers to materials that can stretch and return to their original shape, but this is not specific to PVC.
- **Fiber**: This refers to materials used to make textiles, which does not apply to PVC.

5. **Conclusion**: Since PVC can be heated to become soft and reshaped, it fits the definition of a thermoplastic.

### Final Answer:
PVC is an example of a **thermoplastic**.

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