Which of the following represents the incorrect match of the alloy with its uses?

Options

A. German silver - For making ornaments
B. Magnalium - Gears, Castings
C. Bronze - Statues, medals
D. Duralumin - Aircraft bodies

Explanation

To solve the question regarding which alloy is incorrectly matched with its use, we will analyze each option provided.

### Step-by-Step Solution:

1. **Identify the Alloys and Their Uses**:
- **German Silver**: Used for making ornaments.
- **Magnellium**: Used for making balance beams and light instruments.
- **Gun Metal**: Used for making gears and castings.
- **Bronze**: Used for making statues and medals.
- **Duralumin**: Used for making aircraft bodies.

2. **Check Each Match**:
- **German Silver**: This is correctly matched as it is indeed used for making ornaments.
- **Magnellium**: This is also correctly matched as it is used for making balance beams and light instruments.
- **Gun Metal**: This is correctly matched as it is used for making gears and castings.
- **Bronze**: This is correctly matched as it is used for making statues and medals.
- **Duralumin**: This is correctly matched as it is used for making aircraft bodies.

3. **Identify the Incorrect Match**:
- Upon reviewing the matches, we find that all the options provided are correct. However, the question implies that there is an incorrect match. The confusion arises with **Gun Metal**, which is often misattributed in terms of its common uses.

4. **Conclusion**:
- The incorrect match in the context of the question is likely **Gun Metal** being associated with gears and castings, as it is not the primary use of this alloy compared to others.

### Final Answer:
The incorrect match of the alloy with its uses is **Gun Metal** for gears and castings.

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