One of the consituents of German silver is

Options

A. `Ag`
B. `Cu`
C. `Mg`
D. `Al`

Explanation

To solve the question about the constituents of German silver, we will follow these steps:

### Step 1: Understand what German silver is
German silver is an alloy, which means it is a mixture of different metals. It is also known as nickel silver because it contains nickel.

### Step 2: Identify the main components of German silver
The main constituents of German silver are:
- Copper
- Zinc
- Nickel

### Step 3: Analyze the options provided
The options given are:
1. Silver
2. Copper
3. Magnesium
4. Aluminum

### Step 4: Determine which option is a constituent of German silver
From our understanding of German silver, we can see that:
- Silver is not a constituent of German silver despite its name.
- Copper is one of the main components.
- Magnesium is not a part of German silver.
- Aluminum is also not a part of German silver.

### Step 5: Conclude the answer
Since Copper is one of the main constituents of German silver, the correct answer is **Copper**.

### Final Answer:
One of the constituents of German silver is **Copper**.

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