When does heat produce a chemical change?
When heat energy is transferred.
When heat changes ice into liquid water.
When heat changes the chemical composition of an object.
When heat is observed in an experiment.

Respuesta :

Answer:

A change that releases heat is called an exothermic process.

So it is: When heat changes the chemical composition of an object.

Note that I'm not a science teacher! Always double check your answer.

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