Gun metal contains

Options

A. Cu, Sn, Zn
B. Cu, Ni
C. Cu, Ni, Fe
D. Cu,Sn, P.

Answer

**Step-by-Step Solution:**

1. **Understanding Gun Metal:**
Gun metal is an alloy that is primarily composed of copper. It is also known as red brass and is a type of bronze.

2. **Components of Gun Metal:**
The main components of gun metal are:
- Copper (Cu)
- Tin (Sn)
- Zinc (Zn)

3. **Composition Breakdown:**
The typical composition of gun metal is approximately:
- Copper: 88%
- Zinc: 10%
- Tin: 2%

4. **Evaluating the Options:**
Now, let's evaluate the given options:
- **Option 1:** Cu, Sn, Zn (Copper, Tin, Zinc) - This is correct as it matches the components of gun metal.
- **Option 2:** Cu, Ni (Copper, Nickel) - This is incorrect as nickel is not a primary component of gun metal.
- **Option 3:** Copper, Nickel, Iron - This is incorrect as neither nickel nor iron is a primary component of gun metal.
- **Option 4:** Copper, Sn, Phosphorus - This is incorrect as phosphorus is not a significant component of gun metal.

5. **Conclusion:**
The correct answer is **Option 1: Cu, Sn, Zn**.

---