A person starts a fire in a fire pit. He burns the wood in the pit to ashes. This burning of the wood has caused the wood to change from one substance (wood) to another substance (ashes). This is an example of what kind of reaction?

A Exothermic.

explanation

An exothermic reaction involves releasing heat. The temperature of the substance will rise as the exothermic reaction occurs.

Take more free practice tests for other GED topics with our ged practice test now!

Comments