The fibres manufactured by petrochemicals are :

Options

A. Nylon
B. Polyester
C. Acrylic
D. All of these

Explanation

**Step-by-Step Solution:**

1. **Understanding Petrochemicals:**
- Petrochemicals are chemical products derived from petroleum and natural gas. They are obtained through the refining process of crude oil.

2. **Identifying Fibers:**
- Fibers can be classified into natural fibers and synthetic fibers. Synthetic fibers are made from petrochemicals.

3. **Types of Synthetic Fibers:**
- Common synthetic fibers derived from petrochemicals include:
- **Nylon:** A type of polyamide polymer, known for its strength and elasticity.
- **Polyester:** A polymer that contains ester functional groups in its main chain, known for its durability and resistance to wrinkles.
- **Acrylic:** A synthetic fiber made from polyacrylonitrile, known for its wool-like feel and warmth.

4. **Conclusion:**
- The fibers manufactured by petrochemicals are nylon, polyester, and acrylic.

**Final Answer:**
The fibers manufactured by petrochemicals are nylon, polyester, and acrylic.

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