When calcium carbonate is heated, it decomposes to give ______________.

water

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calcium oxide

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carbon dioxide

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calcium metal

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Solution

The correct options are
B calcium oxide
C carbon dioxide
In presence of heat, calcium carbonate gets decomposes into calcium oxide and carbon dioxide.

Reaction:
$C a C O_{3} Δ - \to C a O + C O_{2}$

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Similar questions

From the following list of substances. choose one substance in each case which matches the description given below :

Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate. zinc carbonate.

(a) A nitrate which gives off only oxygen when heated.

(b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.

Q. From the following list of substances, choose one substance in each case which matches the description given below: [4 MARKS]
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate
(a) A nitrate which gives out only oxygen when heated.
(b) A nitrate which on heating decomposes into dinitrogen oxide [nitrous oxide] and steam.
(c) A nitrate which gives off oxygen and nitrogen dioxide when heated.

Q. Barium carbonate decomposes when heated.

B a C O_{3} (s) \to B a O (s) + C O_{2} (g)

(a) A student heated a 10.0 g sample of barium carbonate until it was fully decomposed.
Calculate the volume of carbon dioxide gas produced at room temperature and pressure. Give your answer in dm

^{3}

200 g

of a calcium carbonate sample decomposes on heating to give carbon dioxide and

80 g

of calcium oxide. What will be the percentage purity of calcium carbonate in the sample?
(

G i v e n : C a C O_{3} \to C a O + C O_{2}

)

200 g

of a calcium carbonate sample decomposes on heating to give carbon dioxide and

80 g

of calcium oxide. What will be the percentage purity of calcium carbonate in the sample?
(

G i v e n : C a C O_{3} \to C a O + C O_{2}

)

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When calcium carbonate is heated, it decomposes to give ______________.

The correct options are B calcium oxide C carbon dioxideIn presence of heat, calcium carbonate gets decomposes into calcium oxide and carbon dioxide.Reaction:CaCO3Δ−→CaO+CO2

The correct options are
B calcium oxide
C carbon dioxide
In presence of heat, calcium carbonate gets decomposes into calcium oxide and carbon dioxide.

Reaction:
$C a C O_{3} Δ - \to C a O + C O_{2}$