9. What does one mean by exothermic and
endothermic reactions ? Give examples.
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Answer:
Answer: Exothermic Reaction: A chemical reaction in which heat is given out is known as exothermic reaction. For example. Endothermic Reaction: A chemical reaction in which heat energy is absorbed is known as endothermic reaction.
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Answered by
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Answer:
exo energy released CaO+H2O->CaOH2+HEAT
endo energy is absorbed AgBr- >Ag+Br2
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