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Physical changes are changes affecting the form of a chemical substance, but not its chemical composition. Physical changes are used to separate mixtures into their component compounds, but can not usually be used to separate compounds into chemical elements or simpler compounds.
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physical changes change chemical form properties composition mixtures substances one example many reversible gas compounds elements process color different separated
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Physical change | is a | process of tempering steel to form a knife blade | 0.90 | text |
| odor | instance of | Although chemical changes may be recognized by an indication | 0.80 | text |
| color change | instance of | Although chemical changes may be recognized by an indication | 0.80 | text |
| or production of a gas | instance of | Although chemical changes may be recognized by an indication | 0.80 | text |
| every one of these indicators can result from physical change | instance of | Although chemical changes may be recognized by an indication | 0.80 | text |
| iodine | instance of | Some substances | 0.80 | text |
| carbon dioxide go directly from solid to gas in a process called sublimation.MagnetismFerro-magnetic materials can become magnetic | instance of | Some substances | 0.80 | text |
| carbon can form several different forms including diamond | instance of | Some | 0.80 | text |
| graphite | instance of | Some | 0.80 | text |
| graphene | instance of | Some | 0.80 | text |
| fullerenes including buckminsterfullerene.Crystals in metals have a major effect of the physical properties of the metal including strength | instance of | Some | 0.80 | text |
| ductility | instance of | Some | 0.80 | text |
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