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Chemical Reactions

Other Kinds of Chemical Reactions

Is melting a chemical reaction?

No, melting is not a chemical reaction. Melting is a change between phases of matter, and it does not involve the breaking or formation of any new chemical bonds. As the temperature increases to cause a substance to melt, the arrangement of the molecules in the solid/liquid changes, but no chemical reaction takes place. The same is true for liquid to gas phase changes as well as for the reverse processes (freezing and condensing).

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Everyone is familiar with rust, which is what happens when iron oxidizes—the result of iron being exposed to water and oxygen.

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