Question

Distinguish between exothermic and endothermic reactions and give an example of each

Answer 1

Reaction in which heat is released is exothemic reaction.

CaCo3 gives CaO + CO2

Reaction in which heat is absorbed is called endothermic reaction.

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Answer 2

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$\bullet$Difference b/w $\sf\underline\pink{Exothermic}$ and $\sf\underline\orange{Endothermic}$

➝ In an Endothermic Reaction energy gets observed from the surrounding environment thus reducing temperature.

➝ In an Exothermic Reaction energy gets released into the surroundings thus increasing the temperature in the surroundings.

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➝ Endothermic Reactions require energy to occur and doesn't happen in its absence.

➝ Exothermic Reactions doesn't require energy to occur whereas release them with the formation of the substance.

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➝ In Endothermic Reactions, the energy is absorbed as heat light or electricity.

➝ In Exothermic Reactions, the energy gets released only as heat and none other.

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➝ Melting of ice is an example of Endothermic Reaction.

➝ Freezing of water to forming ice cubes is an examples for Exothermic Reaction.

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