Question

Define exothermic and endothermic reactions.
Give two examples in each case.
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Answer 1

Answer:

Endothermic :- the reaction which absorbs heat..

eg-boiling, melting, evaporation

Endothermic :-the reaction which releases heat..

eg-mixing of acids and bases.

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Answer 2

Answer:

exothermic: the reaction which release heat

eg : mixing acid and bases

endothermic: the reaction which absorbs heat

eg: boiling and melting