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What is slag?...

What is slag?

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### Step-by-Step Solution: 1. **Definition of Slag**: Slag is a byproduct formed during the extraction of metals from their ores. It is created when impurities in the ore are removed during the metallurgical process. 2. **Role of Flux**: In many extraction processes, an oxide known as a flux is added. The flux can be either an acidic or basic oxide. Its primary function is to help remove impurities from the metal or ore. 3. **Formation of Slag**: When the flux is added to the molten ore, it reacts with the impurities to form a stable molten phase. This stable phase is what we refer to as slag. ...
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