Name two ores which are concentrated by froth floatation method.

Explanation

To answer the question regarding the two ores that are concentrated by the froth flotation method, we can follow these steps:

### Step 1: Understand the Froth Flotation Method
Froth flotation is a process used to separate hydrophobic materials from hydrophilic ones. It is commonly used for the concentration of ores, particularly sulfide ores.

### Step 2: Identify the Ores
The question specifically asks for two ores that are concentrated using this method. The froth flotation method is particularly effective for sulfide ores.

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