Question

What are examples of exothermic and endothermic reactions

Answer 1

Exothermic reaction:-

Such chemical reactions in which heat is produced.

Example:-

On mixing lime and water, heat is produced.

CaO + H2O = Ca(OH)2 + Heat

Production of heat by the combustion of coal.

C + O2 = CO2 + Heat

Endothermic Reaction:-

Such chemical reactions in which heat is absorbed.

Example:-

N2 + O2 = 2NO + Heat

2 AgCl = 2Ag + Cl2

Answer 2

exothermic reactions example are
1.C +O2 gives rise to CO2+ heat
2.CaO+H2O gives rise to Ca(OH)2+heat
endothermic reaction example
NaHCO3+heat gives rise to Na2CO3+H2O+CO2
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