Flux addition during smelting of ore is done to___________________?
Correct answer: A. Remove impurities/gangue
- A. Remove impurities/gangue
- B. Enhance rate of reaction
- C. Accelerate reduction of ore
- D. Separate slag from metal
Explanation
Flux combines with gangue and other impurities during smelting to form slag, thereby removing them from the ore. Separating slag from metal occurs after this chemical combination, so it is not the primary purpose stated here.
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