Question

process that produce heat and light​

Answer 1

combustion is the process in which heat and light is produced.

explosion is the process in which heat, light and sound is produced.

you can write both combustion and explosion.

Answer 2

Good morning mate

Your answer is = Exothermic Chemical Reaction.

The heat that is released by the reaction takes the form of electromagnetic energy. The transition of electrons from one quantum energy level to another causes light to be released.

Hope I answer your question