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Science and Technology - General Knowledge Questions
Which is an example of an endothermic reaction?
A)
Photosynthesis
B)
Combustion
C)
Coal is burnt
D)
Mix of CaO with water

Correct Answer :   Photosynthesis

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 
 
Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...
 
In the contrast, chemical reactions involving release of heat are known as exothermic reactions.
 
Examples : Combustion, coal is burnt, mix of CaO with water,...

Published On : June 13, 2021
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