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Question
During smelting, an additional substance is added which combines with impurities to form a fusible mass. The additional substance is called__________.
During smelting, an additional substance is added which combines with impurities to form a fusible mass. The additional substance is called__________.
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Solution
The correct option is A Flux
In the process of smelting, inorganic chlorides, fluorides, limestone and other materials are designated as "fluxes" when added to the contents of a smelting furnace or a cupola for the purpose of purging the metal of chemical impurities such as phosphorus, and of rendering slag more liquid at the smelting temperature.
In the process of smelting, inorganic chlorides, fluorides, limestone and other materials are designated as "fluxes" when added to the contents of a smelting furnace or a cupola for the purpose of purging the metal of chemical impurities such as phosphorus, and of rendering slag more liquid at the smelting temperature.
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