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CaCO3 decomposes to give:

Option: 1

Ca(OH) 2 and CO2


Option: 2

CaO and CO2


Option: 3

Ca(HCO3)2 and CO2


Option: 4

CaO and O2


Answers (1)

best_answer

CaCO_3 decomposes upon heating to evolve carbon dioxide

CaCO_{3}\overset{1200K}{\rightarrow}CaO+CO_{2}

Therefore, option (2) is correct.

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mansi

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