Question

multiple-choice question
what is an exothermic reaction?
a chemical reaction that takes heat from
the surroundings
a physical change
a chemical reaction that puts heat into the
surroundings

Explanation:

To determine the correct answer, we analyze the definition of an exothermic reaction. An exothermic reaction releases heat into the surroundings, while an endothermic reaction absorbs heat from the surroundings. A physical change is not a chemical reaction. So the option "a chemical reaction that puts heat into the surroundings" matches the definition of an exothermic reaction.

Answer:

a chemical reaction that puts heat into the surroundings