Limestone on heating decomposes into quick lime and carbon dioxide gas-What type of reaction is this-Thermal Decomposition-Endothermic Reaction-Endothermic and thermal decomposition reaction-Exothermic reaction-

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Endothermic and Exothermic reaction

Limestone on ...

Question

Limestone on heating decomposes into quick lime and carbon dioxide gas.What type of reaction is this?

Endothermic Reaction.

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Thermal Decomposition.

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Endothermic and thermal decomposition reaction.

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Exothermic reaction.

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Solution

The correct option is C
Endothermic and thermal decomposition reaction.

The reaction 'Limestone on heating decomposes into quick lime and carbon dioxide gas' can be represented as,

$C a C O_{3} (s) h e a t - - \to C a O (s) + C O_{2} (g)$ .

Heat is absorbed in the reaction, so it is an endothermic reaction. This is a decomposition reaction that involves heating so it is termed as thermal decomposition.

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