The require change in chemical change will be shown in " toasting a marshmallow over a fire".
What is chemical change?
When one chemical material changes into one or even more others, as when iron rusts, this is referred to as a chemical transformation.
What is toasting?
Toasting bread would be a traditional way to improve its flavor.
The marshmallow is melting because of a chemical reaction brought on by the fire.
A chemical shift takes place when marshmallows were toasted. When marshmallows are heated, a chemical process results in the production of water molecules, that eventually evaporate, leaving carbon behind.
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