The head of a safety matchstick contains

Options

A. Antimony trisulphide
B. Potassium chlorate
C. Both (a) and (b)
D. Sulphur

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the chemical substances present in the head of a safety matchstick.

2. **Function of the Matchstick**: A safety matchstick is designed to ignite when struck against a suitable surface. This ignition occurs due to the heat generated by friction.

3. **Identifying the Chemicals**: The head of a safety matchstick contains specific chemicals that facilitate this ignition. The primary chemicals involved are:
- **Antimony Trisulfide**: This is a key component that ignites easily when exposed to heat.
- **Potassium Chlorate**: This chemical is also present and plays a role in the combustion process.

4. **Conclusion**: Therefore, the head of a safety matchstick contains both Antimony Trisulfide and Potassium Chlorate, which are essential for its function.

5. **Final Answer**: The head of a safety matchstick contains Antimony Trisulfide and Potassium Chlorate.

---