Differentiate between the following : Exothermic reaction and Endothermic reaction

Explanation

### Step-by-Step Solution:

1. **Definition of Exothermic Reaction**:
- An exothermic reaction is a chemical reaction that releases heat into the surroundings. This means that during the reaction, energy is given off, resulting in an increase in the temperature of the surroundings.

2. **Example of Exothermic Reaction**:
- A common example of an exothermic reaction is the combustion of hydrogen gas with oxygen to form water:
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