A common form of polyester is

Options

A. Nylon
B. Rayon
C. PET
D. Acrylic

Answer

**Step-by-Step Solution:**

1. **Understanding Polyester**: Polyester is a type of synthetic fiber made from a chemical reaction between an alcohol and a carboxylic acid. It is known for its durability and resistance to wrinkles and shrinking.

2. **Identifying Common Forms of Polyester**: Among the options provided (Nylon, Rayon, PET, Acrylic), we need to identify which one is a common form of polyester.

3. **Analyzing the Options**:
- **Nylon**: This is a synthetic polymer but not a polyester; it is a polyamide.
- **Rayon**: This is a regenerated cellulose fiber, not a polyester.
- **PET (Polyethylene Terephthalate)**: This is indeed a common form of polyester.
- **Acrylic**: This is a synthetic fiber made from polyacrylonitrile, not a polyester.

4. **Conclusion**: Based on the analysis, the common form of polyester among the options provided is PET (Polyethylene Terephthalate).

5. **Final Answer**: The correct answer is **3. PET**.

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