Question

what does one mean by exothermic and endothermic reaction ?give examples

Answer 1

Explanation:

endothermic reaction mean that process needs energy supply

whereas exothermic reaction mean that the process will emit energy in the form of heat

example u can search from Google

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Answer 2

Exothermic means:- the reaction in which heat is released along with the formation of products are called exothermic chemical reaction. Ex : CH4 +2O2 gives = CO2 +H2O

Endothermic reaction means :- the reaction which occur by the absorption of heat are called endothermic reaction Ex:

2HgO + Heat gives = 2 Hg + O2