Chemical reaction in which heat energy liberated is called _______________________.

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Solution

Definition
A reaction that releases energy from the system into surroundings in the form of heat is known as an exothermic reaction.
Examples: burning of sugar, rusting of iron, and reaction of strong acid and water.
Therefore, the chemical reaction in which heat energy is liberated is called an exothermic reaction.

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Q. A chemical reaction in which energy is liberated is called :

A chemical reaction in which heat energy is evolved are called

A chemical reaction in which heat energy is evolved is called an ____________ reaction.

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