What is exothermic reaction?give example

1.	What is exothermic reaction?give example
Answer» This reaction are release heat.Cao+H2o:Ca(OH)+2H20 The reaction in which heat is released is called exothermic reactionExothermic reaction is generally combination reactionExample:-burning of fossil fuelsCH4+O2:-CO2+H2O+HEAT The reaction in which heat is evolved is called an exothermic reactionCaO+H2O==>Ca(OH) 2+heat called* Reactions which take place with the evolution of heat ( increase of temperature ) are caled exothermic reactions. For example, burning of natural gas:- CH4(g)+2O2(g)→CO2(g)+2H2O(g)+Heat

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