Question

what do u mean by exothermic reaction?

Answer 1

Answer:

it is a reaction in which heat is produced i.e temprature increases

eg. Ca + H2O= Ca(OH)2+H2+heat

Answer 2

$\large{\bold{\fbox{ \fbox{Exothermic \: Reaction \: }}}}$

=> Exothermic Reaction Is A Chemical Reaction That Involves The Release Of Energy In The Form Of Heat Or Light

=> It Is Opposite Of Endothermic Reaction

$\bold{ \underline{Example \: :- \: \: }}$

$\bold{C6H12O6 + 6O2 \: \: \to \: \: 6CO2 + 6H2O + Energy \: }$