Question

please answer this question ​

Answer 1

Answer:

exothermic reaction means a reaction in which heat is evolved(released)

endothermic reaction is a reaction in which heat is absorbed or heat is used for the reaction

Answer 2

Reactions which release heat along with the products are known as exothermic reactions.

If the energy produced in an exothermic reaction is released as heat, it results in a rise in temperature. .

Reactants → Products + Energy.

Eg-- Respiration, burning of fossil fuels,

Cao+H2O --> Ca(OH)2

Reactions which absorb heat during the time of formation of products are known as endothermic reactions .

Reactants + Energy → Products

Eg-- photosynthesis

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