Which types of ores are concentrated by magnetic separation method ?

Explanation

### Step-by-Step Solution:

1. **Understanding Magnetic Separation**:
- Magnetic separation is a method used to separate magnetic materials from non-magnetic materials. This technique is particularly useful when dealing with ores that contain magnetic particles.

2. **Identifying Magnetic Ores**:
- For magnetic separation to be effective, the ore must contain magnetic minerals. Common examples of magnetic ores include those containing iron.

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