Flux is used to remove..........

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Question

(C) Flux is a substance added to the furnace to remove the gangue (impurities) present in the ore. If the gangue is acidic (e.g.,$SiO_2$),a basic flux

Vedclass · Accepted Answer

All impurities of ore

Vedclass · Answer

(C) Flux is a substance added to the furnace to remove the gangue (impurities) present in the ore. If the gangue is acidic (e.g.,$SiO_2$),a basic flux (e.g.,$CaO$) is added. If the gangue is basic (e.g.,$FeO$),an acidic flux (e.g.,$SiO_2$) is added. Therefore,flux is used to remove both acidic and basic impurities depending on the nature of the gangue. However,in the context of standard metallurgical processes,flux is primarily defined by its ability to react with gangue to form a fusible slag. Since the question asks what it removes,it removes the gangue (impurities). Given the options,it is used to remove both types of impurities,but usually,the question implies the removal of gangue which is often acidic or basic. If we must choose the most general definition,flux is used to remove gangue (impurities). Since the options are specific,the most accurate answer is that it removes impurities that are either acidic or basic. Given the standard phrasing,it is used to remove gangue (impurities). Since the options provided are limited,we select the option that covers the removal of impurities.

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