The common metal present in German Silver, Bell metal and Brass is

Options

A. `Fe`
B. `Cu`
C. `Zn`
D. `Sn`

Answer

To solve the question of identifying the common metal present in German Silver, Bell Metal, and Brass, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Composition of Each Alloy:**
- **German Silver:** This alloy consists of 60% Copper (Cu), 20% Zinc (Zn), and 20% Nickel (Ni).
- **Bell Metal:** This alloy consists of 78% Copper (Cu) and 22% Tin (Sn).
- **Brass:** This alloy consists of 66% Copper (Cu) and 34% Zinc (Zn).

2. **List the Metals Present in Each Alloy:**
- **German Silver:** Cu, Zn, Ni
- **Bell Metal:** Cu, Sn
- **Brass:** Cu, Zn

3. **Find the Common Metal:**
- By comparing the lists of metals from each alloy, we can see that Copper (Cu) is present in all three alloys:
- German Silver: Cu
- Bell Metal: Cu
- Brass: Cu

4. **Conclusion:**
- The common metal present in German Silver, Bell Metal, and Brass is Copper (Cu).

### Final Answer:
The common metal present in German Silver, Bell Metal, and Brass is **Copper (Cu)**.

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