Question

______ is one of the chemical changes in which heat and light are produced.​

Answer 1

Answer:

Explanation:

Combustion is the answer

Answer 2

Answer:

Chemical reactions that produce heat are called exothermic reactions. Exothermic reactions involve physical or chemical changes that generate heat in various quantities, which is then dispersed into the surrounding environment. Exothermic reactions come in several forms, and require more energy to occur than they produce.

Explanation:

Fireworks are examples of chemical changes. The light and heat produced are the results of chemical reactions that produce new compounds.