Name the type of ore which is concentrated by froth floatation process.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Froth Flotation Process:**
- The froth flotation process is a method used to separate hydrophobic materials from hydrophilic ones. It is commonly used in the concentration of ores.

2. **Identifying the Type of Ores:**
- The type of ores that are concentrated using the froth flotation process are primarily sulphide ores.

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