Question

31 a chemical reaction where thermal energy (heat) is released is what type? caustic reaction endothermic reaction firey reaction exothermic reaction skip 30/49 complete

Explanation:

Exothermic reactions release heat to the surroundings. Endothermic reactions absorb heat. Caustic refers to substances that are corrosive and "Firey reaction" is not a standard term in chemistry.

Answer:

D. Exothermic reaction