Question

Write down the chemical equation of limestone on heating gives carbon-dioxide and quick lime .

Answer 1

Explanation:

ANSWER

Decomposition reaction is a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds.Calcium carbonate or limestone decomposes into calcium oxide and carbon dioxide when heated and the reaction is used to make quicklime and carbon dioxide gas.

CaCO3(s)heatCaO(s)+CO2(g)↑

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Answer 2

Answer:

Calcium carbonate is strongly heated until it undergoes thermal decomposition to form calcium oxide and carbon dioxide. The c alcium oxide (unslaked lime) is dissolved in water to form calcium hydroxide (limewater).