Identify the product(s) which will be formed by using the information provided about the reactants :
$C a {C O}_{3} (s) + h e a t \to$

C a + {C O}_{2}

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C a + C + O_{2}

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C a {(O H)}_{2} + {C O}_{2}

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C a O + C O_{2}

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C a + C + O_{3}

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Solution

The correct option is D $C a O + C O_{2}$
On heating calcium carbonate, it breaks down into calcium oxide and carbon dioxide gas.
$C a C O_{3} + h e a t \to C a O + C O_{2}$

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