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Smelting is a process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product. It is a form of extractive metallurgy that is used to obtain many metals such as iron, copper, silver, tin, lead, and zinc. Smelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or…
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iron copper metal ore lead smelters carbon oxygen sulfide roasting metals oxide slag used chemical process tin reducing ores reduction
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Smelting | is a | process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product | 0.90 | text |
| iron | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| copper | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| silver | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| tin | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| lead | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| and zinc | instance of | It is a form of extractive metallurgy that is used to obtain many metals | 0.80 | text |
| those commonly used to obtain copper | instance of | is lower than that of the bonds in the ore.Sulfide ores | 0.80 | text |
| zinc | instance of | is lower than that of the bonds in the ore.Sulfide ores | 0.80 | text |
| or lead | instance of | is lower than that of the bonds in the ore.Sulfide ores | 0.80 | text |
| are roasted before smelting in order to convert the sulfides to oxides | instance of | is lower than that of the bonds in the ore.Sulfide ores | 0.80 | text |
| which are more readily reduced to the metal | instance of | is lower than that of the bonds in the ore.Sulfide ores | 0.80 | text |
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