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Question

Decomposition of limestone to quick lime and carbon dioxide is an example of which of the following types of reaction?

The correct answer is

Thermal decomposition

The decomposition of limestone (CaCO3) to quicklime (CaO) and carbon dioxide (CO2) is an example of a thermal decomposition reaction. This is a type of chemical reaction where a compound breaks down into two or more components when heated. In this case, heat causes limestone to decompose into quicklime and carbon dioxide gas.

The chemical equation for this reaction is as follows:

CaCO3 (s) → CaO (s) + CO2 (g)

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Important Questions from Chemistry

  1. Common salt (NaCl) is not used as a raw material for preparation of which one of the following compounds?

  2. Which one of the following is the chemical formula of Hypobromous acid?

  3. Which one of the following is not used as a raw material in the manufacture of glass?

  4. Which one of the following statements about dihydrogen (H 2) is not correct?

  5. Reaction of quick lime (CaO) with water to produce slaked lime (Ca(OH) 2) is an example of

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