# What Does One Mean by Endothermic Reaction? Give Example. - Science

What does one mean by endothermic reaction? Give example.

#### Solution 1

endothermic : Reactions that absorb energy or require energy in order to proceed are called endothermic reactions.

Example:N(g)+O(g)->2NO (heat absorbed)

#### Solution 2

Endothermic reaction – A reaction in which heat is absorbed is called endothermic reaction.
Example – When silver chloride is left in the sunlight, it absorbs heat and turns grey because of formation of silver metal.

2AgCl(s) "sunlight"/>2Ag(s)+Cl2(g)

Concept: Types of Chemical Change or Chemical Reaction - Decomposition Reactions
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#### APPEARS IN

NCERT Class 10 Science
Chapter 1 Chemical Reactions and Equations
Q 9 | Page 15