Which property of German silver makes it useful for making imitation jewellery?

Explanation

### Step-by-Step Solution

1. **Understanding German Silver**:
- German silver is an alloy made primarily of zinc, copper, and nickel. Sometimes, it may also contain lead and tin.

2. **Properties of German Silver**:
- To determine why German silver is useful for making imitation jewelry, we need to consider its properties. The key properties that make metals suitable for jewelry include malleability and ductility.

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