Which type of reaction is occurring during a fireworks show? How do you know?

It is an endothermic reaction. Fireworks are bright, indicating a release of light energy.
It is an endothermic reaction. Heat must be added to light the fuses of the fireworks.
It is an exothermic reaction. Fireworks are bright, indicating a release of light energy. It is an exothermic reaction.
It is an exothermic reaction. Heat must be added to light the fuses of the fireworks.

1 answer

It is an exothermic reaction. Heat must be added to light the fuses of the fireworks.