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Which of the following changes will increase the amount of ${CaCO}_{3} (s)$ in the reaction ${CaCO}_{3} (s) ⇌ CaO (s) + {CO}_{2} (g) ?$

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Removal of

CaO (s)

Removal of

{CO}_{2} (g)

Temperature is lowered

Volume of container is decreased

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detailed solution

Correct option is C

The decomposition of ${CaCO}_{3}$ will be endothermic and hence lowering the temperature will move the reaction in backward direction.

Chemical reactions classified as endothermic occur when the reactants absorb heat energy from their surroundings to produce products. These occurrences have a cooling impact because they make their immediate surroundings colder.

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Which of the following changes will increase the amount of CaCO3(s) in the reaction CaCO3(s)⇌CaO(s)+CO2(g)?