Question

5. What are exothermic and endothermic reaction with an example?




pls its very important
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Answer 1

Answer:

If the energy released in the reaction,then the reaction is considered as the exothermic reaction

And ΔH=-ve

If the energy reqired in the reaction,then the reaction is considered as the endothermic reaction....

And ΔH=+ve

Explanation:

Hope u will understand it frnd.........

Answer 2

Answer:

exothermic reaction- a chemical reaction in which heat is giving out is known as exothermic reaction

ex- combustion such as lightning a candle

endothermic reaction- a reaction in which heat is absurd

ex- opposite of exothermic reaction

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