Question

Maria and Miquel were enjoying the fireworks when they got into a chemistry argument. Maria insisted that the fireworks were the result of a chemical reaction. Miguel disagreed. What would you tell them to solve this argument.

A)
It is a change of state, solid to gas, due to the addition of energy.


B)
It was a physical reaction since the fuse was lit and heat was produced.


C)
The color changes and the release of energy indicate a chemical reaction.


D)
It is an endothermic reaction because energy was added; therefore it is a chemical reaction,

Answer 1

The color changes and the release of energy indicate a chemical reaction.

Step-by-step explanation:

colors only change when there is a chemical reaction. Also exploding is usualy due to a chemical reaction all thogh not always.

Answer 2

B. It was a physical reaction since the fuse was lit and heat was produced