Chemistry, 10.07.2019 13:30 muffin261

Which would show an example of how physical changes are reversible? a cutting a gold bar in two pieces and then putting the pieces next to each other b burning a match and then relighting it c melting tin and then cooling it into a mold d combining sodium and chlorine to make the new material of table salt

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Which would show an example of how physical changes are reversible? a cutting a gold bar in two pie...