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Which solid product is formed on thermal decomposition of calcium carbonate?

Answer and explanation

Correct answer: Calcium oxide

On heating, calcium carbonate undergoes thermal decomposition: \(\mathrm{CaCO_3(s) \xrightarrow{\Delta} CaO(s) + CO_2(g)}\). Carbon dioxide is released as a gas, while calcium oxide remains as the solid product. Calcium hydroxide is formed when calcium oxide reacts with water, not in this decomposition reaction.

Related tags

ScienceClass-10Chemical-ReactionsThermal-DecompositionCalcium-CarbonateCalcium-Oxide

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