Question

Which answer defines exothermic reaction?

A.a process in which energy is released as heat
B.a process in which energy is absorbed as heat
C.a process in which energy is stored and released
D.a process in which energy is not present in a system

Answer 1

a process in which energy is released as heat

Step-by-step explanation:

it just is

Answer 2

The answer which defines exothermic reaction is

a process in which energy is released as heat ( answer A)

Explanation

Exothermic reaction is a chemical reaction in which energy is released into environment in form of heat.

For example of exothermic reaction

Is a combustion reaction such as lighting a candle whereby oxygen react with wax to produce carbon (iV) oxide, water and heat.