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Question

Conversion of CaCO3 into CaO as per the reaction, CaCO3CaO+CO2 is an example of:


A

Decomposition reaction.

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B

Reduction reaction.

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C

Oxidation reaction.

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D

Displacement reaction

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Solution

The correct option is A

Decomposition reaction.


CaCO3CaO+CO2
In the given reaction, CaCO3 decomposes to smaller molecules CaO and CO2, so the given reaction is an example of decomposition reaction. By heating calcium carbonate, one can obtain calcium oxide. So, it is a thermal decomposition reaction.


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