By giving example define thermal dissociation reaction.

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Thermal dissociation reaction is a chemical reaction in which a substance decomposes reversibly when the temperature is raised.
Example: $\underset{calcium carbonate}{\underset{}{{CaCO}_{3}}} ⇄ \underset{calcium oxide}{\underset{}{CaO}} + \underset{carbon dioxide}{\underset{}{{CO}_{2}}}$

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By giving example define thermal dissociation reaction.

Thermal dissociation reaction is a chemical reaction in which a substance decomposes reversibly when the temperature is raised.Example: CaCO3calciumcarbonate⇄CaOcalciumoxide+CO2carbondioxide

Thermal dissociation reaction is a chemical reaction in which a substance decomposes reversibly when the temperature is raised.
Example: $\underset{calcium carbonate}{\underset{}{{CaCO}_{3}}} ⇄ \underset{calcium oxide}{\underset{}{CaO}} + \underset{carbon dioxide}{\underset{}{{CO}_{2}}}$