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Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from carbon-rich materials such as coal, wood, petroleum, peat, and other organic matter.
Products, Wood tar & Terminology
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Tar | is a | dark brown or black viscous liquid of hydrocarbons and free carbon | 0.90 | text |
| coal | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| wood | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| petroleum | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| peat | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| and other organic matter.Mineral products resembling tar can be produced from fossil hydrocarbons | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| such as petroleum | instance of | Tar can be produced from carbon-rich materials | 0.80 | text |
| psoriasis | instance of | though coal tar in low concentrations is used as a topical medicine for conditions | 0.80 | text |
| Tar | related to Coal tar | Coal | 0.60 | section |
| Tar | related to Coal tar | United Nations | 0.60 | section |
| Tar | related to External links | Geotimes | 0.60 | section |
| Tar | related to External links | February | 0.60 | section |
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